Systems and methods for additive manufacturing are provided. In some embodiments, a method includes depositing a curable material on a carrier film, applying energy to the curable material on the carrier film to form a portion of an object, separating the portion of the object from remaining curable material on the carrier film, obtaining image data depicting a recess formed in the remaining curable material by the separation of the portion of the object, and determining a geometry of the portion of the object based on the image data.
An orthodontic treatment system may include a plurality of sets of polymeric orthodontic appliances. Each of the orthodontic appliances including a plurality of tooth receiving cavities formed in the appliance shaped to move teeth of a patient from a first arrangement towards a second arrangement. Each of the sets of polymeric appliances may be for a stage of orthodontic treatment. The system may include a first occlusal block on a first appliance of a first set of the plurality of sets. The first appliance may be configured for use on a first arch of the patient and the first occlusal block may include a first surface having a first shape that matches an occlusal surface of the arch on which the appliance is configured to be placed.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
B33Y 80/00 - Products made by additive manufacturing
3.
MOLD INCLUDING SECTIONS JOINED BY A WEAKENED REGION
A mold is for thermoforming a dental appliance. The mold includes a first section of the mold and a second section of the mold. The second section includes a feature having a complex shape, an undercut, or a bite edge. The mold further includes a weakened region that joins the first section to the second section. The weakened region is at least one of breakable, deflectable, or deformable in response to a first threshold force to enable the first section and the second section to be removed from the dental appliance after a shell is formed over the mold to form the dental appliance. The first threshold force is less than a second threshold force that would damage or permanently deform the dental appliance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
B29C 33/38 - Moulds or coresDetails thereof or accessories therefor characterised by the material or the manufacturing process
B29C 33/44 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
B29C 33/50 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic
Systems and methods for rapidly and reliably determining an arch width of a patient's dental arch. A three-dimensional (3D) model of a patient's teeth, including a target tooth, can be received. Dental features from the 3D model may be extracted. The dental features may include a point of intersection between an occlusal surface of a tooth and a long axis of the tooth. An arch width between the target tooth and an opposing tooth may be determined based on the extracted dental features.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
A system comprises a scanner and a computing device. The scanner comprises structured light projectors configured to project first structured light at a first time and second structured light at a second time, one or more non-structured light projectors to project non-structured light at the second time, and one or more cameras to capture first image data of the first structured light and second image data of the second structured light and the non-structured light. The computing device is configured to generate a 3D surface based on the first image data, separate a structured light portion of the second image data from a non-structured light portion of the second image data, determine a position and orientation of the non-structured light portion relative to the 3D surface based on the structured light portion, and augment the 3D surface using the non-structured light portion of the second image data.
A method for designing dental appliances may include receiving a 3D model of a patient's oral cavity and determining a target arrangement of teeth of the patient from the 3D model. A treatment plan for moving teeth of a patient from an initial position towards and final position over a plurality of stages may be generated. For a stage of the plurality of stages, the method may include identifying which of the teeth of the patient are stationary for the stage of the treatment plan, modifying movement of the stationary teeth for the stage of the treatment plan, and revising the treatment plan using a modified movement of the stationary teeth for the stage of the plurality of stages to generate a revised treatment plan.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
7.
MULTI-FUNCTIONAL POLYMERIZABLE COMPOUNDS AND METHODS OF PRODUCING AND USING THE SAME
The present disclosure provides synthesizing multi-functional polymerizable compounds and methods for the synthesizing the same. The methods include reacting a compound of Formula (Ia) with an epoxide of Formula (Ib) with quantitative conversion, requiring only an aqueous work-up for purification. Further provided herein are methods of producing polymerizable composition, methods of forming an article by additive manufacturing processes (e.g., via 3D printing), such as orthodontic appliances with increased stain resistance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
C07C 67/26 - Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
Systems and methods for minimally invasive ortho-restorative treatment planning. One or more clinical and/or aesthetic aspects of an ortho-restorative treatment plan may be optimized. In some examples, the ortho-restorative treatment plan is optimized to minimize a tooth mass loss associated with adding or implementing a restorative feature in the ortho-restorative treatment plan. Examples of restorative features may include crowns, veneers, fillings, inlays, onlays, edge bonding, composites, implants, bridges and prosthetics. The methods may include computer modeling techniques. For example, a position of a digital restorative feature model may be optimized with respect to a digital tooth model of a patient's teeth to minimized tooth mass loss in the patient's teeth.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
G16H 30/00 - ICT specially adapted for the handling or processing of medical images
A61B 34/10 - Computer-aided planning, simulation or modelling of surgical operations
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Methods for the production of syringol from biomass are provided. Reactive diluents derived from syringol and their use in 3D printing are also provided.
Devices and methods for treating an intraoral cavity of a patient are provided. In some embodiments, a device includes a tissue scaffold configured to promote growth of oral tissue at a treatment site in the intraoral cavity of the patient, and a positioner. The positioner can include one or more cavities configured to receive one or more teeth of the patient, and an alignment element configured to temporarily couple to the tissue scaffold such that when the positioner is placed on the patient's teeth, the alignment element locates the tissue scaffold at the treatment site.
Compositions, devices, and methods for fabricating attachments are provided. In some embodiments, a dental appliance includes a shell having a plurality of cavities configured to receive a patient's teeth; a receptacle formed in the shell, where the receptacle is configured to receive a curable compound for forming an attachment on a tooth of the patient; and a barrier material on a surface of the receptacle, where the barrier material is a liquid. The shell and the receptacle can include a plurality of additively manufactured layers. The barrier material can be configured to inhibit adhesion of the curable compound to the surface of the receptacle during application of curing energy to the curable compound.
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
Surgical guides (e.g., adjustable splints) that may be used for a temporal expansion and contraction of the palate during and/or after surgical operation on a palatal suture may include first and second tooth-engaging regions and an expandable palatal region including a linkage to allow controlled expansion/contraction of the palatal region. These apparatuses may be configured to allow measurement or estimation of the mobility of the palate (e.g., maxillary segments) and/or locking of the palate in a desired target width.
Systems and methods for minimally invasive ortho-restorative treatment planning. One or more clinical and/or aesthetic aspects of an ortho-restorative treatment plan may be optimized. In some examples, the ortho-restorative treatment plan is optimized to minimize a tooth mass loss associated with adding or implementing a restorative feature in the ortho-restorative treatment plan. Examples of restorative features may include crowns, veneers, fillings, inlays, onlays, edge bonding, composites, implants, bridges and prosthetics. The methods may include computer modeling techniques. For example, a position of a digital restorative feature model may be optimized with respect to a digital tooth model of a patient's teeth to minimized tooth mass loss in the patient's teeth.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
(1) Custom manufacture of orthodontic appliances; dental laboratory and technician services
(2) Application service provider (ASP) featuring software for use in providing cranio-facial, medical, oral, and dental health treatment services; providing temporary use of on-line non-downloadable software for providing cranio-facial, medical, oral, and dental health treatment services; non-downloadable computer-aided modeling software used in dentistry and orthodontics to create three-dimensional computer representations of patient dentition, dental model images for dental impressions and study casts; on-line non-downloadable software used for diagnosing and treating cranio-facial, medical, oral, and dental health conditions; on-line non-downloadable software used for diagnosing and treating cranio-facial, medical and dental health conditions
(3) Providing treatments for cranio-facial, medical, oral, and dental health conditions; medical and orthodontic services; orthodontic and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services, namely, performing dental, orthodontic, periodontic, endodontic and paedodontic treatments; design and creation of orthodontic treatment plans for individuals; advisory services and the provision of information relating to dental and orthodontic techniques, materials and products; advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, including the provision of such services online via the Internet or extranets
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Custom manufacture of orthodontic appliances; dental laboratory and technician services. Application service provider (ASP) featuring software for use in providing cranio-facial, medical, oral, and dental health treatment services; providing temporary use of on-line non-downloadable software for providing cranio-facial, medical, oral, and dental health treatment services; non-downloadable computer-aided modeling software used in dentistry and orthodontics to create three-dimensional computer representations of patient dentition, dental model images for dental impressions and study casts; on-line non-downloadable software used for diagnosing and treating cranio-facial, medical, oral, and dental health conditions; on-line non-downloadable software used for diagnosing and treating cranio-facial, medical and dental health conditions. Providing treatments for cranio-facial, medical, oral, and dental health conditions; medical and orthodontic services; orthodontic and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services, namely, performing dental, orthodontic, periodontic, endodontic and paedodontic treatments; design and creation of orthodontic treatment plans for individuals; advisory services and the provision of information relating to dental and orthodontic techniques, materials and products; advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, including the provision of such services online via the Internet or extranets.
16.
MULTI-VALENT POLYMERIZABLE COMPOSITIONS AND METHODS OF PRODUCING AND USING THE SAME
The present disclosure provides photo-polymerizable components, photo-curable resins comprising one or more of such monomers, as well as polymeric materials formed from the photo-curable resins. Further provided herein are methods of producing the compositions and using the same for the fabrication of medical devices, such as orthodontic appliances.
A method is of designing a virtual three-dimensional (3D) model of a mold for a dental appliance. The method includes determining an identifier to be associated with the mold. The mold includes a dental arch portion associated with teeth of a user. The dental arch portion includes a first distal portion, a second distal portion, and an incisor portion disposed between the first distal portion and the second distal portion. The method further includes determining, based on the identifier, a label to be formed in a label portion of a beam of the mold. The method further includes determining a placement of the beam. The beam extends from the first distal portion to the second distal portion in the virtual 3D model of the mold.
Described herein are method and apparatuses for enhancing the display and analysis intraoral scan data, including but not limited to near-infrared scan data. These methods and apparatuses described herein may be used to select a subset of images (e.g., 2D images) from an intraoral scan efficiently and accurately by determining which scans are most likely to include information of relevance including information about one or more defects or flaws in the patient's dentition. These methods and apparatuses may also display the selected subset of the associated 2D images in a determined sequence.
Described herein are method and apparatuses for enhancing the display and analysis intraoral scan data, including but not limited to near-infrared scan data. Thes methods and apparatuses described herein may be used to select a subset of images (e.g., 2D images) from an intraoral scan efficiently and accurately by determining which scans are most likely to include information of relevance including information about one or more defects or flaws in the patient's dentition. These methods and apparatuses may also display the selected subset of the associated 2D images in a determined sequence.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
20.
MONOMERS AND CURABLE COMPOSITIONS FOR CRYSTALLINITY CONTROL IN POLYMERIC MATERIALS FOR 3D-PRINTED DENTAL DEVICES
The present disclosure provides monomers and curable compositions comprising such monomers for preparing polymeric materials with controlled crystallinity. Orthodontic appliances made from these polymeric materials are also provided.
Systems and methods for evaluating a patient's intraoral health are provided. In some embodiments, a method includes receiving scan data of a patient's intraoral cavity; receiving additional data for the patient, the additional data being different from the scan data; determining a first prediction of a condition of the intraoral cavity based on the scan data; determining a second prediction of a condition of the intraoral cavity based on the additional data; generating a predicted condition for the intraoral cavity based on a combination of the first and second predictions; and outputting an indication of the predicted condition on a display.
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
22.
REAL-TIME AUTOMATED TREATMENT RECOMMENDATIONS FOR DIGITAL DENTAL TREATMENT PLANNING AND DENTAL APPLIANCE DESIGN
Methods and apparatuses for performing an intraoral scan may analyzing and determine, in real time as the scan is occurring or immediately thereafter, one or more treatments based on the scan data, as well as patient-specific data and/or personalized doctor preferences. For example, these methods and apparatuses may be configured to detect one or more treatable orthodontic issues while scanning the patient and propose treatments (including orthodontic appliances) by calculating one or more metrics from the ongoing scan that indicate the need for particular treatments (e.g., interventions).
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
23.
SYSTEMS AND METHODS FOR PREDICTING PERIODONTAL POCKET DEPTH AND/OR OTHER INTRAORAL CONDITIONS
Systems and methods for evaluating a patient's intraoral health are provided. In some embodiments, a method includes receiving scan data of a patient's intraoral cavity; receiving additional data for the patient, the additional data being different from the scan data; determining a first prediction of a condition of the intraoral cavity based on the scan data; determining a second prediction of a condition of the intraoral cavity based on the additional data; generating a predicted condition for the intraoral cavity based on a combination of the first and second predictions; and outputting an indication of the predicted condition on a display.
An apparatus (system, device, method, and the like) is disclosed for refining a three-dimensional (3D) model, particularly 3D models of a subject’s dentition. An initial 3D model is received or generated along with a plurality of two-dimensional (2D) images corresponding to the 3D model. The 3D model is refined using edge boundaries of a space around or between two or more objects of the 3D model identified from the 2D images.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A system comprises an intraoral scanner comprising one or more cameras that define a field of view (FOV) of the intraoral scanner, and a computing device. The computing device is configured to: process intraoral scans to generate a three-dimensional (3D) surface of a dental site during an intraoral scanning session; output a representation of the 3D surface to a display; determine a current position and orientation of the FOV of the intraoral scanner relative to the 3D surface; output a representation of the FOV of the intraoral scanner at the current position and orientation relative to the 3D surface to the display; determine suggested next positions and orientations of the FOV of the intraoral scanner relative to the 3D surface; and output the suggested next positions and orientations of the FOV of the intraoral scanner relative to the 3D surface to the display.
Methods and apparatuses for performing an intraoral scan may analyzing and determine, in real time as the scan is occurring or immediately thereafter, one or more treatments based on the scan data, as well as patient-specific data and/or personalized doctor preferences. For example, these methods and apparatuses may be configured to detect one or more treatable orthodontic issues while scanning the patient and propose treatments (including orthodontic appliances) by calculating one or more metrics from the ongoing scan that indicate the need for particular treatments (e.g., interventions).
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Systems for modeling a digital articulator may include a processor in electronic communication with an extraoral imaging device and an intraoral imaging device and a non-transitory computer readable medium having instructions stored thereon that when executed by the processor capture 3D data of the patient's face in with the extraoral imaging device, capture a 3D model of the patient's dentition, align the 3D model of the patient's dentition with 3D data of the patient's face, generate an estimate of the temporomandibular joint characteristics based on the 3D model of the patient's face, and derive digital articular settings for a digital articular based on the 3D model of the patient's dentition with the 3D data of the patient's face and the estimate of the temporomandibular joint characteristics.
Methods and systems for manufacturing an orthodontic appliance based on a 2D image of a patient's teeth. A 3D model of the patient's teeth corresponding to the patient's teeth at a first time may be accessed. The 2D image based on a camera picture acquired at a second time may be accessed, where second time may occur after the first time. The method may include iteratively comparing a distance between corresponding points on teeth of the 3D model and of the 2D image, and generating an adjusted 3D model in which the teeth of the 3D model are moved to reduce the distance. Iteratively comparing and generating may include iterating until a final adjusted 3D model is generated. Deviations between the teeth of the 3D model and the 2D image may be below a threshold. The orthodontic appliance may be fabricated based on the final adjusted 3D model.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
G16Z 99/00 - Subject matter not provided for in other main groups of this subclass
29.
IMAGE-BASED TOOTH IDENTIFICATION USING DIGITAL DENTAL MODELS
Systems and methods for identifying teeth in a patient image are provided. For example, a computer-implemented method can include, by one or more processors, accessing a 2D image including a depiction of a patient's teeth, where a plurality of the depicted patient's teeth are annotated with tooth identifiers according to a first tooth identification scheme. The computer-implemented method can further include transmitting, to a server computing device, the 2D image, and receiving from the server computing device, a second tooth identification scheme for the patient's teeth in the 2D image. The second tooth identification scheme can be generated by accessing a 3D model of the patient's teeth, projecting the 3D model onto the 2D image, comparing the projection to the 2D image to determine a probability parameter for each of one or more teeth in the 2D image, and determining, based on the probability parameters, the second tooth identification scheme.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Downloadable software for use in providing cranio-facial, medical, oral health, dental and orthodontic treatment services, namely, for creating treatment plans and providing treatment to patients; downloadable computer-aided modeling software used in dentistry and orthodontics to create three-dimensional computer representations of patient dentition, dental model images for dental impressions and study casts; downloadable software used for diagnosing and treating cranio-facial, medical, oral, and dental health conditions. Dental attachments and instruments for dental purposes, namely, apparatus for use in the placement of orthodontic attachments; dental apparatus, namely orthodontic appliances; orthodontic appliances and orthodontic devices for use in straightening teeth and treating malocclusions; dental attachments and instruments, namely dental apparatus used to connect, retain, and stabilize dental prostheses or to facilitate tooth movement with orthodontic appliances; dental apparatus, namely, orthodontic appliances. Custom manufacture of orthodontic appliances; dental technician services, namely, custom manufacturing of orthodontic appliances; custom manufacture of dental prostheses and dental bridges by dental laboratories. Training in the use of orthodontic appliances; training in the fields of dentistry and orthodontia; training in the provision of dental and orthodontic treatment. Application service provider (ASP) featuring software for use in providing cranio-facial, medical, oral health, dental and orthodontic treatment services namely, for creating treatment plans and providing treatment to patients; providing online non-downloadable computer-aided modeling software used in dentistry and orthodontics to create three-dimensional computer representations of patient dentition, dental model images for dental impressions and study casts; providing on-line non-downloadable software used for diagnosing and treating cranio-facial, medical, oral, and dental health conditions; dental research laboratory services; the provision of dental and orthodontic information about medical research relating to dental and orthodontic products. Providing treatments for cranio-facial, medical, oral, and dental health conditions; medical and orthodontic services; orthodontic and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services, namely, performing dental, orthodontic, periodontic, endodontic and paedodontic treatments; design and creation of orthodontic treatment plans for individuals; advisory services and the provision of information relating to dental and orthodontic techniques, materials and products; advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, namely, the provision of such services online via the Internet or extranets.
31.
IMAGE-BASED TOOTH IDENTIFICATION USING DIGITAL DENTAL MODELS
Systems and methods for identifying teeth in a patient image are provided. For example, a computer-implemented method can include, by one or more processors, accessing a 2D image including a depiction of a patient's teeth, where a plurality of the depicted patient's teeth are annotated with tooth identifiers according to a first tooth identification scheme. The computer-implemented method can further include transmitting, to a server computing device, the 2D image, and receiving from the server computing device, a second tooth identification scheme for the patient's teeth in the 2D image. The second tooth identification scheme can be generated by accessing a 3D model of the patient's teeth, projecting the 3D model onto the 2D image, comparing the projection to the 2D image to determine a probability parameter for each of one or more teeth in the 2D image, and determining, based on the probability parameters, the second tooth identification scheme.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A shell removal device includes a platform configured to secure a mold. An untrimmed shell is formed over the mold. The shell removal device further includes a drive mechanism configured to move the platform away from the untrimmed shell responsive to sensor data indicative that the untrimmed shell has begun to separate from the mold.
B29C 33/46 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
Provided herein are systems for monitoring a subject's teeth during orthodontic treatment. In particular, described herein are apparatuses having a fixed focal length for coupling to a patient's smartphone, including a built-in lip/cheek retractor. These smartphone dental imaging apparatuses may be configured to easily and robustly interface with the user's smartphone to allow capture of dental images.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 1/05 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
34.
MULTI-FUNCTIONAL POLYMERIZABLE COMPOUNDS AND METHODS OF PRODUCING AND USING THE SAME
The present disclosure provides synthesizing multi-functional polymerizable compounds and methods for the synthesizing the same. The methods include reacting a compound of Formula (Ia) with an epoxide of Formula (Ib) with quantitative conversion, requiring only an aqueous work-up for purification. Further provided herein are methods of producing polymerizable composition, methods of forming an article by additive manufacturing processes (e.g., via 3D printing), such as orthodontic appliances with increased stain resistance.
C07C 269/02 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
C07C 271/20 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C08G 18/81 - Unsaturated isocyanates or isothiocyanates
35.
COMPOSITIONS AND METHODS FOR ADDITIVE MANUFACTURING OF PALATAL EXPANDERS
Materials, methods, and systems for additive manufacturing are provided. In some embodiments, a method includes: forming a mixture including a first thermoplastic polymer powder separated from a first additively manufactured dental appliance manufactured during a first powder bed fusion process, where the first thermoplastic polymer powder has a characteristic particle size distribution and a characteristic melt volume rate; in a second powder bed fusion process, depositing a powder layer of the mixture, where the powder layer has a powder packing consistency dependent on the characteristic particle size distribution of the first thermoplastic polymer powder; and in the second powder bed fusion process, applying energy to the powder layer to melt the powder layer to form a part layer of a second additively manufactured dental appliance, where the part layer has a material consistency dependent on the characteristic melt volume rate of the first thermoplastic polymer powder.
A method includes obtaining video data of a dental patient. The method further includes obtaining an indication of selection criteria in association with the video data. The selection criteria includes conditions related to a target dental treatment of the dental patient. The method further includes performing an analysis procedure on the video data. Performing the analysis procedure includes determining a first score for each frame of the video data based on the selection criteria. Performing the analysis procedure further includes determining that a frame satisfies a first threshold condition based on the first score. The method further includes providing the first frame as output of the analysis procedure.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
A method of designing a patient removable tooth positioning appliance may include receiving a digital representation of teeth of the patient in a selected arrangement and modeling the patient removable tooth positioning appliance having tooth receiving cavities shaped to receive and apply a resilient positioning force to the teeth of the patient based on the digital representation. The method may also include modeling a hook integral to the patient removable tooth positioning appliance and configured to interface with an elastic member so as to react a force from the elastic member into the appliance. The hook may be configured to be laterally offset from a portion of a tooth receiving cavity of the tooth receiving cavities. The method may also include outputting a three-dimensional representation of the patient removable tooth positioning appliance having the hook for fabrication by one or more fabrication machines.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
42 - Scientific, technological and industrial services, research and design
Goods & Services
non-downloadable, online computer software for monitoring patient treatment; non-downloadable, online software for use in providing dentistry services and orthodontic services; Application service provider (ASP) featuring software for use in providing orthodontic and dental treatment services; providing temporary use of a web-based software application for use in dentistry, namely, software for creating individually customized courses of dental and orthodontic treatment plans and depicting tooth movement and proposed dental and orthodontic treatment plans; providing temporary use of a web-based software application for use in dental and orthodontic treatment planning; computer software design for diagnosis and treatments in the dental and orthodontic field; custom design of computer software for diagnosis and treatments in the dental and orthodontic field; Computer software, namely, non-downloadable, online digital imaging software used to depict tooth movement and proposed dental and orthodontic treatment plans
Methods and apparatuses for taking, using and displaying three-dimensional (3D) volumetric models of a patient's dental arch. A 3D volumetric model may include surface (e.g., color) information as well as information on internal structure, such as near-infrared (near-IR) transparency values for internal structures including enamel and dentin.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 6/51 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications for dentistry
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Methods of representing user edits or modifications of a treatment plan for a dental apparatus (e.g., one or a series of aligners) by managing an original clinical data set and a set of modifications of the clinical data set. Also described herein are methods of displaying, condensing, storing and reconstructing collision regions between two or more teeth.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G06T 17/10 - Volume description, e.g. cylinders, cubes or using CSG [Constructive Solid Geometry]
G06T 19/00 - Manipulating 3D models or images for computer graphics
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A method includes receiving, by a user device, a prompt associated with treatment of a patient. The method includes determining a treatment context for the treatment of the patient based on access to a back-end treatment context support system. The method includes processing the prompt in view of the treatment context using one or more trained machine learning models to generate one or more actionable recommendations. The method includes outputting the one or more actionable recommendations via at least one of the user device or an additional device associated with the user device.
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 20/00 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
43.
STOCHASTIC DISCRETIZATION OF OBJECT SLICES FOR ADDITIVE MANUFACTURING
Methods for additive manufacturing and associated systems are provided. In some embodiments, a method includes receiving a 3D digital representation of an object. The method can include generating a plurality of grayscale slices corresponding to a plurality of 2D cross-sections of the 3D digital representation, where each grayscale slice comprises a plurality of grayscale units. The method can also include generating a plurality of discretized slices based on the plurality of grayscale slices, where each discretized slice comprises a plurality of discretized units, and where each discretized unit is generated by applying a discretizing function to a corresponding grayscale unit of a corresponding grayscale slice. The method can further include outputting instructions for fabricating the object via an additive manufacturing process based on the plurality of discretized slices.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
A method includes receiving, by a user device, a prompt associated with treatment of a patient. The method includes determining a treatment context for the treatment of the patient based on access to a back-end treatment context support system. The method includes processing the prompt in view of the treatment context using one or more trained machine learning models to generate one or more actionable recommendations. The method includes outputting the one or more actionable recommendations via at least one of the user device or an additional device associated with the user device.
G16H 20/00 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
G10L 13/02 - Methods for producing synthetic speechSpeech synthesisers
G10L 15/183 - Speech classification or search using natural language modelling using context dependencies, e.g. language models
G10L 15/30 - Distributed recognition, e.g. in client-server systems, for mobile phones or network applications
An intraoral imaging device comprises a base and a removable probe coupled to the base. The base comprises a processing device configured to control operation of the intraoral imaging device and a first connector at a distal end of the base. The removable probe comprises one or more structured light projectors configured to project a light pattern, a plurality of cameras configured to image the projected light pattern to produce intraoral image data, and a second connector at a first end of the removable probe. The second connector mates with the first connector to provide a power connection between the removable probe and the base and a data connection between the removable probe and the base.
In embodiments, a system comprises a server computing device comprising a messaging platform configured to provide messaging between a plurality of different types of medical applications, a first computing device of a doctor and a second computing device of a patient or prospective patient. The first computing device comprises a doctor-focused medical application and a first chat module that integrates with the doctor-focused medical application and that enables the doctor-focused medical application to interface with the messaging platform. The second computing device comprises a patient-focused medical application and a second chat module that integrates with the patient-focused medical application and that enables the patient-focused medical application to interface with the messaging platform, wherein the patient-focused medical application has different functionality than the doctor-focused medical application. The messaging platform is configured to send messages between the doctor-focused medical application and the patient-focused medical application.
G16H 80/00 - ICT specially adapted for facilitating communication between medical practitioners or patients, e.g. for collaborative diagnosis, therapy or health monitoring
G06F 9/451 - Execution arrangements for user interfaces
G06Q 10/107 - Computer-aided management of electronic mailing [e-mailing]
G10L 17/24 - the user being prompted to utter a password or a predefined phrase
H04N 23/667 - Camera operation mode switching, e.g. between still and video, sport and normal or high and low resolution modes
A dental device may include a body having first tooth receiving cavities shaped to receive teeth of a first side of an arch of a patient. The dental device may also include second tooth receiving cavities shaped to receive teeth of a second side of the arch of the patient and a palatal portion that extends between the first tooth receiving cavities and the second tooth receiving cavities. The palatal portion may be shaped to apply an expansion force to the teeth of the first side of the arch of the patient and the teeth of the second side of the arch of a patient. The palatal portion may also include a plurality of bands that extend between the first tooth receiving cavities and the second tooth receiving cavities. Each respective band may have a respective different thickness.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 7/36 - Devices acting between upper and lower teeth
48.
STOCHASTIC DISCRETIZATION OF OBJECT SLICES FOR ADDITIVE MANUFACTURING
Methods for additive manufacturing and associated systems are provided. In some embodiments, a method includes receiving a 3D digital representation of an object. The method can include generating a plurality of grayscale slices corresponding to a plurality of 2D cross-sections of the 3D digital representation, where each grayscale slice comprises a plurality of grayscale units. The method can also include generating a plurality of discretized slices based on the plurality of grayscale slices, where each discretized slice comprises a plurality of discretized units, and where each discretized unit is generated by applying a discretizing function to a corresponding grayscale unit of a corresponding grayscale slice. The method can further include outputting instructions for fabricating the object via an additive manufacturing process based on the plurality of discretized slices.
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
Goods & Services
Toothpaste, cosmetic tooth whitening preparations; non-medicated mouthwash and mouth rinses; anticavity dental rinse for non-medical purposes; dental and orthodontic appliance cleaning kits for dental and orthodontic appliances comprised of dentifrices and cleaning solutions, and also including brushes Medicated topical fluoride gels for application to the teeth; anti-cavity dental coating preparations containing fluoride; antibacterial oral spray; medicated mouthwash and rinses, tooth and gum pain gel Dental guards, namely, dental bite trays to protect against teeth grinding; tongue scrapers toothpicks; tongue cleaning brushes; dental and orthodontic appliance cleaning kits for dental and orthodontic appliances comprised primarily of toothbrushes, dental floss, also including dentifrice and sanitizing solution.; Toothbrushes, denture brushes, interdental brushes, replacement heads for toothbrushes; oral hygiene devices, namely, interdental cleaners; water flossers
A method includes: receiving first and second digital models associated with a dental arch of a patient corresponding to first and second stages of orthodontic treatment; printing a first mold of a first dental arch based on the first digital model and a second mold of a second dental arch based on the second digital model; securing the first and second molds to a plate; heating a sheet of plastic to generate a heated sheet, and surrounding the sheet of plastic with a mask during the heating of the sheet of plastic to minimize heat transfer to other sheets of plastic; and simultaneously thermoforming the heated sheet over the first and second molds to form a first aligner shaped to fit the first dental arch and a second aligner shaped to fit the second dental arch.
Systems and methods for monitoring a patient's teeth during orthodontic treatment, which may include an orthodontic appliance having one or more sensors configured to sense at least one parameter related to a change in movement and/or position of one or more teeth of the patient's teeth. One or more processors may be configured to receive sensor data captured by the one or more sensors while the orthodontic appliance is worn on the patient's teeth. The sensor data may be converted to predicted tooth position and/or movement associated with the one or more teeth. The predicted tooth position and/or movement may be compared to an expected tooth position and/or movement of the one or more teeth. Based on the comparison, a determination may be made that the orthodontic treatment should be modified or that the orthodontic appliance should be replaced.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
A dental attachment positioning device may include a plurality of registration elements. The registration elements may include a tooth registration surface configured to mate with one or more teeth of a patient and a retention support for holding the registration element to one or more teeth of a patient. An attachment support may extend from and be releasably coupled to one or more dental attachments. A coupling may be located between two adjacent registration elements. The coupling may include a force concentration structure. The force concentration structure may include a notch or channel configured to facilitate a breakage between the two adjacent registration elements.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A method provides a palatal expansion previewer tool. The method includes receiving scan data of a craniofacial structure of a patient; identifying one or more parameters corresponding to a palatal expansion treatment plan for the patient; processing the data of the craniofacial structure of the patient and the one or more parameters to generate a visualization of a predicted outcome of the craniofacial structure affected by the palatal expansion treatment plan; and providing, for display in a user interface of a user device, the visualization of the predicted outcome.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
A method provides a palatal expansion management tool. The method includes receiving scan data of a craniofacial structure of a patient, providing the scan data as input to an artificial intelligence (AI) model trained to provide a recommended palatal expansion treatment plan for the patient; receiving, as output from the AI model, the recommended palatal expansion treatment plan; and providing, to a user device, the recommended palatal expansion treatment plan.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
55.
AUTOMATED PALATAL EXPANSION BASED ON LOWER ARCH FINAL POSITION
A method provides automated palatal expansion treatment planning based on lower arch final position. The method includes identifying a plurality of reference points within one or more three-dimensional (3D) dental models of a patient; determining one or more tooth measurements based on the plurality of reference points; determining, based on the one or more tooth measurements, a recommended palatal expansion amount for a palatal expansion treatment plan for the patient; and providing, to a user device, the recommended palatal expansion amount.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
56.
VISUALIZATION OF CROSS-SECTION PLANE AND REFERENCE POINTS FOR PALATAL EXPANSION TREATMENT
A method provides a visualization of cross-section plane and reference points for palatal expansion treatment. The method includes identifying one or more 3D dental models of a patient, wherein the one or more 3D dental models correspond to a palatal expansion treatment plan for the patient; determining a 2D cross-section of each the one or more 3D dental models that intersects a first portion of the each of the one or more 3D dental models at a corresponding first location; providing, for display on a UI of a user device, the 2D cross-section of each of the one or more 3D dental models; determining one or more palatal expansion measurements at the 2D cross-section for an amount of palatal expansion associated with the palatal expansion treatment plan at a stage of treatment; and providing, for display on the UI of the user device, the one or more palatal expansion measurements.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
57.
METHODS AND SYSTEMS FOR DESIGNING DENTAL APPLIANCES WITH ENHANCED RETENTION ON TEETH
Methods and systems for designing dental appliances with enhanced retention on teeth are provided. In some embodiments, a method includes receiving a digital representation of a tooth arrangement for a patient's teeth. The method can also include generating a plurality of candidate dental appliances for the tooth arrangement. The method can further include determining a retention parameter for each candidate dental appliance of the plurality of candidate dental appliances, where the retention parameter is indicative of how well the candidate dental appliance is retained on the patient's teeth. The method can further include selecting at least one candidate dental appliance based on the retention parameters for the plurality of candidate dental appliances. The method can further include generating instructions for fabricating the at least one candidate dental appliance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
58.
THREE-DIMENSIONAL TOOTH MODELING USING AN ESTIMATION OF AN IMAGING PROCESS OF AN X-RAY IMAGING DEVICE
A three-dimensional (3D) model representing at least one tooth of a patient is received. A two-dimensional (2D) contour of the 3D model representing the at least one tooth of the patient is generated. The 2D contour with a 2D x-ray image of the at least one tooth of the patient to generate alignment data is aligned. The 3D model is updated based on the alignment data.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Apparatuses (e.g., systems, devices, etc.) and method for scanning both a subject’s face as well as the subject’s intra oral cavity to provide two-dimensional (2D) and/or three dimensional (3D) data that may be subsequently used in prosthodontic and orthodontic procedures, including smile planning (e.g., designing or modifying a subject’s overall smile or facial aesthetics).
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A system includes an optical probe with a sensing face. The optical probe to emit optical signals and receive reflected optical signals. The system includes a computing device, coupled to the optical probe, to receive intraoral scan data of a tooth. The intraoral scan data includes first optical scan data and second optical scan data. The computing device to process the received intraoral scan data to adjust the first optical scan data associated with a sub-gingival surface of the tooth based on the second optical scan data associated with a material covering the sub-gingival surface of the tooth. The computing device to generate a three-dimensional model that includes the sub-gingival surface of the tooth using the adjusted first optical scan data that is associated with the sub-gingival surface of the tooth.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
Creating a digital tooth model of a patient's tooth using interproximal information is provided. Interproximal information is received that represents a space between adjacent physical teeth of the patient. A digital teeth model of a set of physical teeth of the patient that includes the adjacent physical teeth is received. One or more digital tooth models is created that more accurately depicts one or more of the physical teeth than the corresponding digital teeth included in the digital teeth model based on the interproximal information.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Systems and methods for evaluating dental appliance fit are provided, including: accessing a 2D image including a depiction of a dental appliance being worn on a patient's teeth; accessing a 3D digital representation of the patient's teeth; identifying a line associated with a tooth in the 3D digital representation; projecting the line onto the tooth in the 2D image; determining a distance between an edge of the tooth in the 2D image and an edge of the dental appliance in the 2D image, based on the projected line; and outputting an indication of a fit parameter for display on a display device, where the fit parameter is based on the determined distance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G06F 30/20 - Design optimisation, verification or simulation
Dental appliances and associated systems are provided. In some embodiments, a dental appliance includes a shell configured to receive a plurality of teeth, the shell having a sidewall and an interproximal engagement structure extending from the sidewall into a space of an interproximal region between a first tooth and a second tooth of the plurality of teeth. The interproximal engagement structure can be configured to contact the first tooth and the second tooth concurrently. The interproximal engagement structure can be larger than the space of the interproximal region, such that the contact causes deformation of one or more of the interproximal engagement structure or the sidewall.
A method provides a palatal expansion treatment management and visualization system. The method includes receiving data of a craniofacial structure of a patient; identifying one or more parameters corresponding to a palatal expansion treatment plan for the patient; processing the data of the craniofacial structure of the patient and the one or more parameters to generate a visualization of a predicted outcome of the craniofacial structure affected by the palatal expansion treatment plan; and providing, for display in a user interface of a user device, the visualization of the predicted outcome.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
65.
METHODS AND SYSTEMS FOR DESIGNING DENTAL APPLIANCES WITH ENHANCED RETENTION ON TEETH
Methods and systems for designing dental appliances with enhanced retention on teeth are provided. In some embodiments, a method includes receiving a digital representation of a tooth arrangement for a patient's teeth. The method can also include generating a plurality of candidate dental appliances for the tooth arrangement. The method can further include determining a retention parameter for each candidate dental appliance of the plurality of candidate dental appliances, where the retention parameter is indicative of how well the candidate dental appliance is retained on the patient's teeth. The method can further include selecting at least one candidate dental appliance based on the retention parameters for the plurality of candidate dental appliances. The method can further include generating instructions for fabricating the at least one candidate dental appliance.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
66.
BUBBLE REMOVAL SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING
Methods and systems for additive manufacturing are provided. In some embodiments, a method includes depositing a curable material on a substrate. The method can also include directing heat toward the curable material to remove one or more bubbles present in the curable material. The method can also include outputting energy toward the curable material on the substrate to form an object portion on a build platform according to an additive manufacturing process.
The present disclosure provides methods, devices, and systems that utilize dental appliance etch templates prior to or during dental treatment. One dental appliance etch template includes a removable shell having one or more cavities formed therein, where the one or more cavities are shaped to receive teeth of a patient, and the shell includes a well, the well including a wafer, where the wafer includes etch material to etch a tooth of the patient.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Methods and systems for additive manufacturing are provided. In some embodiments, a system for manufacturing objects includes a material source configured to deposit a curable material on a substrate. The system can also include a heating element configured to heat at least a portion of the curable material to remove one or more bubbles present in the curable material. The system can further include an energy source configured to output energy toward the curable material on the substrate to form an object portion according to an additive manufacturing process.
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
B29C 71/00 - After-treatment of articles without altering their shapeApparatus therefor
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
69.
METHODS FOR DENTAL APPLIANCE RETENTION WITH TOPOGRAPHIC FEATURES
A method for designing dental appliances may include receiving a 3D model of a patient's oral cavity and determining a target arrangement of teeth of the patient. The method may also include generating a 3D model of a first dental appliance and modeling retention of the first dental appliance for a first stage of a treatment plan based on the 3D model of the first dental appliance and a model of an arch of the patient for the first stage of the treatment plan to determine a first retention. The method may also include modifying the 3D model of the first dental appliance to include topographic features on an interior surface of the first dental appliance to generate a modified 3D model of the first dental appliance and outputting the modified 3D model of the first dental appliance for fabrication and physical dental appliance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Systems and methods for monitoring scanning accuracy are provided. In some embodiments, a method for monitoring accuracy of an intraoral scanner includes receiving results of at least one intraoral scanning session. The at least one intraoral scanning session can involve obtaining scan data of an intraoral structure from a scanner and combining the scan data to generate a 3D digital representation of the intraoral structure. The method can include evaluating scanning accuracy of the scanner based on the results of the at least one intraoral scanning session, and outputting an indication of the scanning accuracy on a display.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
Materials and additively manufactured objects including mechanically interlocking elements are provided. In some embodiments, a method includes forming a dental appliance at least partially out of a composite material. The composite material can include an interlocking structure having a plurality of interlocking elements. The interlocking structure can have a first mechanical property. The composite material can also include a matrix surrounding at least a portion of the interlocking structure. The matrix can have a second mechanical property different from the first mechanical property.
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
Dental appliances and associated methods are provided herein. In some embodiments, a dental appliance includes an appliance shell formed from a plurality of 3D printed polymer layers. The appliance shell can include a plurality of tooth receiving cavities arranged to receive a dentition and to exert one or more forces on the dentition, and a plurality of variable thickness regions integrally formed with the appliance shell as a single monolithic component. The plurality of variable thickness regions can include an upper thickened region at a first side of a tooth receiving cavity and a lower thickened region at a second side of the tooth receiving cavity opposite the first side. The upper and lower thickened regions can be configured to control movement of a tooth received within the tooth receiving cavity.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 80/00 - Products made by additive manufacturing
G05B 15/02 - Systems controlled by a computer electric
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G05B 19/4097 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
73.
TREATMENT BASED INTELLIGENT PHOTO GUIDANCE FOR DENTITION CAPTURE
A system for treatment-based photo guidance for acquiring images of a patient's teeth may include one or more processors and memory. The memory may include instructions that when executed, cause the system to access patient-specific anatomical data associated with a dentition of the patient, access a treatment plan for moving teeth of a patient, and determine, based on the patient-specific anatomical data and the treatment plan, one or more photo views for capturing one or more teeth of the patient.
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G06F 18/21 - Design or setup of recognition systems or techniquesExtraction of features in feature spaceBlind source separation
G06F 18/2415 - Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on parametric or probabilistic models, e.g. based on likelihood ratio or false acceptance rate versus a false rejection rate
G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
G06T 19/00 - Manipulating 3D models or images for computer graphics
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
G06V 10/56 - Extraction of image or video features relating to colour
G06V 10/98 - Detection or correction of errors, e.g. by rescanning the pattern or by human interventionEvaluation of the quality of the acquired patterns
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 40/20 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
G16H 70/20 - ICT specially adapted for the handling or processing of medical references relating to practices or guidelines
G16H 80/00 - ICT specially adapted for facilitating communication between medical practitioners or patients, e.g. for collaborative diagnosis, therapy or health monitoring
Computing device related, systems, and methods for interproximal reduction (IPR) planning. One method includes identifying a first tooth and a second tooth of a patient's teeth that overlap at a target position in a treatment plan and integrating the IPR into the treatment plan by: determining a stage of the treatment plan in which the first and second teeth are sufficiently aligned for performing IPR, and prescribing IPR at the determined stage of the treatment plan. Determining that the first and second teeth are sufficiently aligned may include calculating an angle between mesial-distal reference lines of the first and second teeth, and determining that the angle is within a predetermined threshold angle; and/or calculating a distance difference between a first ridge endpoint reference line of the first tooth and second ridge endpoint reference line of the second tooth, and determining that the distance difference is within a threshold distance.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Wire attachment dental appliances. A shell may be shaped to receive teeth of a dentition. The shell may include an attachment material reservoir that is configured to accept an attachment material therein. A wire attachment member may be configured to be secured to the shell. The attachment material reservoir and the wire attachment member may be aligned along an arch line of the shell in a manner that allows a wire to simultaneously pass through the attachment material reservoir and engage with the wire attachment member.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
The present disclosure provides curable compositions comprising polymerization inhibitor-functionalized particles to prevent undesired polymerization of the polymerizable compounds in the curable compositions during their transportation, handling or storage, or during 3D printing processes. Such curable compositions can be used to produce polymeric materials with properties suitable for use in various 3D printed objects, such as orthodontic appliances.
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
C09D 135/02 - Homopolymers or copolymers of esters
A system includes a build platform configured to support an object that is being formed from layers of resin. The system further includes one or more blades configured to provide the layers of resin to form the object on the build platform. At least a first blade of the one or more blades is configured to vibrate to reduce viscosity of the layers of resin.
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/223 - Foils or films, e.g. for transferring layers of building material from one working station to another
Methods of forming a dental appliance. The methods may include partially curing a prepolymer mixture into a semi-solid polymer material having a first shape. The first shape may include a channel in accordance with a dental arch of a patient. A positive dentition mold corresponding to the patient may be used to modify the first shape of the partially cured prepolymer mixture to form a shell having cavities shaped to receive teeth of the patient. The semi-solid polymer material may be fully cured by exposing the semi-solid polymer material to energy until the semi-solid polymer material sets.
B29B 11/14 - Making preforms characterised by structure or composition
B29B 13/02 - Conditioning or physical treatment of the material to be shaped by heating
B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
B29C 39/00 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor
B29C 39/02 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of definite length, i.e. discrete articles
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29K 75/00 - Use of polyureas or polyurethanes as moulding material
Improved orthodontic appliances, along with related systems and methods, are provided. In one aspect, a method for fabricating a dental appliance includes fabricating a shell of a dental appliance via an additive manufacturing process. The shell can include a plurality of tooth-receiving cavities shaped to reposition a patient's dentition from a first arrangement toward a second arrangement. The shell can include a first polymeric material having a first elastic modulus. The method may further include fabricating an elastic coating on a surface of the shell, where the elastic coating includes a second polymeric material having a second elastic modulus. When the dental appliance is worn on the patient's dentition, the shell and the elastic coating are stretched by placement of the shell and the elastic coating on the patient's dentition, and the elastic coating resists the stretching to apply one or more forces onto the patient's dentition.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Custom manufacture of orthodontic appliances; dental technician services, namely, custom manufacturing of orthodontic appliances; custom manufacture of dental prostheses and dental bridges by dental laboratories Application service provider (ASP) featuring software for use in providing cranio-facial, medical, oral, and dental health treatment services, namely, diagnostic, preventive, restorative, and surgical procedures provided by licensed dental professionals to maintain, repair, or improve the health, function, and appearance of a patient's teeth, gums, and mouth; providing temporary use of on-line non-downloadable software for providing cranio-facial, medical, oral, and dental health treatment services, namely, diagnostic, preventive, restorative, and surgical procedures provided by licensed dental professionals to maintain, repair, or improve the health, function, and appearance of a patient's teeth, gums, and mouth; providing online non-downloadable computer-aided modeling software used in dentistry and orthodontics to create three-dimensional computer representations of patient dentition, dental model images for dental impressions and study casts; providing on-line non-downloadable software used for diagnosing and treating cranio-facial, medical, oral, and dental health conditions Medical, dentistry and orthodontic services, namely, providing treatments for cranio-facial, medical, oral, and dental health conditions; medical and orthodontic services; orthodontic, and dentistry services; dental, orthodontic, periodontic, endodontic and paedodontic services, namely, performing dental, orthodontic, restorative dental, periodontic, endodontic and paedodontic, and cranio-facial treatments by qualified health professionals who specialize in diagnosing, treating, and preventing oral health conditions, malocclusions, and diseases, injuries, and malformations of the teeth, gums, jaw, and mouth; orthodontic services, namely, design and creation of orthodontic treatment plans for individuals; medical, dental and orthodontic treatment advisory services and the provision of information relating to dental and orthodontic care and treatment techniques, and the use of materials and products in dentistry and orthodontics; medical, dental, and orthodontic advisory and consultancy services relating to providing cranio-facial treatment, orthodontics, endodontics, paedodontics, periodontics, and restorative dental treatments, including the provision of such services online via the Internet or extranets
81.
REMOVAL OF ARTIFACTS ARISING FROM REFLECTIONS FOR INTRAORAL SCANNER
A 3D scanner system includes a scanner and a processor. The scanner includes a wand comprising a distal end configured for insertion into an oral cavity, wherein the wand comprises an opening in a sidewall of the distal end; and at least one of a window arranged in the opening of the wand or a sleeve mounted on an outside of the wand such that the sleeve covers the opening. The processor is configured to receive 2D images generated by the scanner, the 2D images comprising a) captured structured light reflected off of an intraoral object and b) captured additional light arising from reflections from at least one of the window or the sleeve; and perform 3D image reconstruction using the captured structured light in the 2D images while excluding the captured additional light in the 2D images based on processing of the 2D images using one or more algorithms.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/04 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A61B 1/24 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressorsInstruments for opening or keeping open the mouth
Provided herein are systems and processes to control multiple temperatures in additive manufacturing. Such temperature control adjusts polymer properties and facilitates processing of materials to form 3D objects. The systems and processed disclosed herein also facilitate the processing of typically difficult-to-process materials and deliver such materials to a photocuring zone configured to photopolymerize materials into 3 dimensional objects with a layer-by-layer process. Such processes can include the steps of heating a resin to a flowable temperature, applying the resin to a carrier, cooling the film to increase viscosity or to solidify the resin, and applying the film containing the resin onto an area being printed, then photocuring the film. Also provided herein are resins and related polymer materials having properties that are tunable with exposure to more than one temperature zone. The formed polymers can include multiple regions of polymer material, each independently having distinct properties. Processes and systems are also provided herein that are configured to produce polymeric materials having multiple regions with distinct properties from a single-component formulation.
A61C 7/10 - Devices having means to apply outwardly directed force, e.g. expanders
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B29C 64/223 - Foils or films, e.g. for transferring layers of building material from one working station to another
Methods and apparatuses for automatic treatment planning, including recommendation systems, quality assurance, error prevention, text mining, text matching, and treatment planning optimization.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
The present disclosure provides novel polymerizable compositions that can produce coating layers on polymeric materials thereby imparting excellent stain resistance. Further provided herein are methods of producing polymerizable coatings, coated devices, and coated polymeric materials. Also provided herein are methods of using polymer coated materials, and coated polymeric materials fabricated via additive manufacturing processes (e.g., via 3D printing), such as orthodontic appliances with increased stain resistance.
C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08F 279/06 - Vinyl aromatic monomers and methacrylates as the only monomers
C08K 7/00 - Use of ingredients characterised by shape
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
An intraoral scanner includes a probe housing disposed at a distal end of an elongate wand. The probe housing forms an interior volume. The intraoral scanner further includes a lightguide projector that includes a light source configured to generate light. The light source is disposed in the interior volume. The lightguide structure is configured to receive the light from the light source. The light is to propagate through the lightguide structure via internal reflections. The lightguide projector is configured to cause the light to exit the lightguide structure to illuminate a mouth of a patient.
Systems and methods of simulating, modeling, and validating orthodontic treatment are disclosed. The method may include designing an orthodontic treatment system or force system, generative a displacement field between a first position of a patient's teeth and a second position, modeling the three-dimensional force-displacement model generated by the treatment system or force system, and validating the treatment system or force system. The methods disclosed herein may be iterated to optimize the orthodontic force system or treatment system.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
G06T 19/00 - Manipulating 3D models or images for computer graphics
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
88.
SYSTEMS AND METHODS FOR DENTAL APPLIANCE RETENTION
A method for designing dental appliances may include receiving a 3D model of the patient's oral cavity and determining a target arrangement of the patient's teeth from the 3D model. The method may also include generating a treatment plan for moving teeth of a patient from an initial position towards and final position over a plurality of stages. For a stage of the plurality of stages the method may include: identifying which of the patient's teeth are for the stage of the treatment plan, modifying movement of the stationary teeth for the stage of the treatment plan, and revising the treatment plan using a modified movement of the stationary tooth for the stage of the plurality of stages to generate a revised treatment plan.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
System, methods, and apparatus for determining a width and position of a patient's restored teeth are disclosed. Teeth that undergo a restorative process may change in size (compared to original tooth dimensions). Dental data is extracted from a three-dimensional (3D) digital model that is generated based on a dental treatment plan. The width and/or position of the patient's restored teeth are determined with a solution to an optimization problem using the extracted dental data.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
Methods and systems are described that generate three-dimensional (3D) measurements from points in two-dimensional (2D) images. An example method includes determining an alignment between a 2D image of a dental site and a 3D surface of the dental site, determining a first point and a second point in the 2D image, projecting the first point and the second point onto the 3D surface based on the alignment between the 2D image and the 3D surface, performing a measurement of a distance between the projected first point and the projected second point on the 3D surface, and displaying at least one of a) a first visualization of the measurement on the 2D image or b) a second visualization of the measurement on the 3D surface.
An orthodontic appliance may include a polymeric shell and a plurality of tooth receiving cavities formed in the polymeric shell that are shaped to move the teeth from a first arrangement towards a second arrangement. A first aligner feature may be located at a first location on a first of the tooth receiving cavities. The first aligner feature may be a force generating feature configured to impart orthodontic tooth moving forces. A second aligner feature may be stacked onto the first aligner feature at the first location on the first of the tooth receiving cavities.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 7/16 - BracketsFixing brackets to teeth specially adapted to be cemented to teeth
92.
MULTIANGLE CENTRIFUGE SYSTEMS FOR CLEANING ADDITIVELY MANUFACTURED OBJECTS
Systems, methods, and devices for post-processing additively manufactured objects are disclosed herein. In some embodiments, a method includes coupling a substrate to a frame, where the substrate is carrying an additively manufactured object having excess material thereon. The method can further include rotating the frame to remove at least some of the excess material from the additively manufactured object. The method can further include moving the substrate to a plurality of different tilt angles relative to the frame during the rotation of the frame.
B04B 3/00 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
93.
METHODS FOR DENTAL APPLIANCE RETENTION WITH MODIFIED CAVITIES
A method for designing dental appliances may include receiving a 3D model of the patient's oral cavity and determining a target arrangement of the patient's teeth from the 3D model. The method may also include generating a treatment plan for moving teeth of a patient from an initial position towards and final position over a plurality of stages. For a stage of the plurality of stages the method may include identifying which of the patient's teeth are for the stage of the treatment plan, modifying movement of the stationary teeth for the stage of the treatment plan, and revising the treatment plan using a modified movement of the stationary tooth for the stage of the plurality of stages to generate a revised treatment plan.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
94.
METHODS FOR ADDITIVE MANUFACTURING WITH REDUCED SUPPORTS
Methods and systems for additive manufacturing of objects are provided. In some embodiments, a method includes receiving a digital representation of an object to be fabricated via an additive manufacturing process; identifying an internal portion of the object that would be unstable during the additive manufacturing process without an internal support structure, based on the digital representation; modifying the digital representation of the object to remove at least part of the internal portion; and generating instructions for fabricating the object via the additive manufacturing process, based on the modified digital representation.
A method includes forming a plastic shell that has a hollow feature that includes a cavity. The method further includes inserting an object into the cavity, wherein the object is in a solid state and is preformed and shaped to fit into the cavity prior to the inserting of the object into the cavity, wherein the object provides structural strength to the plastic shell at a location of the hollow feature and does not interfere with a fit of the plastic shell onto a dental arch of a patient, the object having a shape that substantially matches a contour of the cavity prior to being inserted into the plastic shell.
A63B 71/08 - Body-protectors for players or sportsmen
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/26 - Component parts, details or accessoriesAuxiliary operations
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniquesApparatus therefor
System, methods, and apparatus for determining a width and position of a patient's restored teeth are disclosed. Teeth that undergo a restorative process may change in size (compared to original tooth dimensions). Dental data is extracted from a three-dimensional (3D) digital model that is generated based on a dental treatment plan. The width and/or position of the patient's restored teeth are determined with a solution to an optimization problem using the extracted dental data.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A method is provided for assessing and categorizing temporomandibular disorder (TMD). In some cases, the method can include receiving data representing a potential for TMD of a patient. The method can include processing the data to identify an indicator of the TMD. The method can include identifying a treatment recommendation based on the indicator of the TMD. The method can include providing the treatment recommendation for display on a user device.
A61B 6/51 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications for dentistry
Provided herein are systems and methods for scoring a post-treatment tooth position of a patient's teeth. A patient's dentition may be scanned and/or segmented. Raw dental features, principal component analysis (PCA) features, and/or other features may be extracted and compared to those of other teeth, such as those obtained through automated machine learning systems. A classifier can identify and/or output the post-treatment tooth position of the patient's teeth.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
A61C 13/20 - Methods or devices for soldering, casting, moulding or melting
A61C 13/34 - Making or working of models, e.g. preliminary castings, trial denturesDowel pins
99.
COMPOSITIONS FOR ADDITIVE MANUFACTURING WITH ACTIVATABLE FILLERS
Compositions and methods for fabrication of additively manufactured objects are provided. In some embodiments, a method includes: receiving a digital representation of a dental appliance having a first portion to be formed from a polymeric material and a second portion to be formed from a metallic material; and fabricating the dental appliance via an additive manufacturing process, where the dental appliance is fabricated from a composition including a precursor of the polymeric material and an activatable filler. The additive manufacturing process can include applying first energy to the composition to cure the precursor of the polymeric material, thereby forming the first portion of the dental appliance from the polymeric material. The activatable filler can be configured to be activated by second energy to form a substrate for deposition of the metallic material at the second portion of the dental appliance.
A method of fabricating an orthodontic aligner may include forming a mold for an orthodontic aligner. The mold may include tooth receiving cavities shaped to move teeth of a patient form a first orientation towards a second orientation and a receptacle shaped to receive a base of a mold for an occlusal block. The method may include inserting a mold for an occlusal block into the receptacle, the mold for the occlusal block including a base for insertion into the receptable and a block support structure coupled to the base. The method may also include over molding a sheet of aligner material over the mold for the orthodontic aligner and the mold for the occlusal block and removing the sheet of aligner material from the mold for the orthodontic aligner while retaining the block support structure in the orthodontic aligner.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
