Glasses with high content of cerium and tin including the following components:
Glasses with high content of cerium and tin including the following components:
Component
Wt. - %
SiO2
38.0 to 68.0
Cerium, calculated as CeO2
4.0 to 23.0
Tin, calculated as SnO
3.0 to 18.0
Li2O
1.0 to 5.0
Alkali metal oxide MeI2O
5.8 to 15.9
Oxide of divalent elements MeIIO
3.2 to 10.5
Oxide of trivalent elements MeIII2O3
3.5 to 11.8
and which are particularly suitable for the preparation of dental restorations whose fluorescence properties largely correspond to those of natural teeth.
C03C 4/12 - Compositions pour verres ayant des propriétés particulières pour verre luminescentCompositions pour verres ayant des propriétés particulières pour verre fluorescent
C03C 3/118 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant un halogène ou de l'azote contenant du fluor contenant du bore contenant de l'aluminium
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
C03C 8/06 - Compositions en verre fritté, c.-à-d. broyées ou sous forme de poudre contenant un halogène
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
2.
Fluorescent Glasses And Glass Ceramics With High Content Of Cerium And Tin
Glasses and glass ceramics with high content of cerium and tin, which include the following components:
Glasses and glass ceramics with high content of cerium and tin, which include the following components:
Component
Wt. %
SiO2
48.0 to 75.0
Li2O
8.0 to 20.5
Cerium, calculated as CeO2
4.0 to 20.0
Tin, calculated as SnO
3.1 to 15.7
and which are particularly suitable for the preparation of dental restorations with fluorescence properties largely corresponding to those of natural teeth.
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
C03C 3/078 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant un oxyde d'un métal divalent, p. ex. un oxyde de zinc
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
C03C 4/12 - Compositions pour verres ayant des propriétés particulières pour verre luminescentCompositions pour verres ayant des propriétés particulières pour verre fluorescent
A process control method for a 3D-printing process using a 3D printer. The 3D printer has a build platform, a light source, a receiving device for printing material and a control device by which an object can be produced layer-wise or continuously from the printing material. The method includes using a thermal imaging camera, the output signal of which is transmitted to the control device, connected to the 3D printer, The method includes the following steps of illuminating a layer or parts of said layer positionally selectively, detecting the temperature of the layer during the polymerisation using the thermal imaging camera, ending the building process of a layer by ending the illumination, the time of the end of the illumination being established by a predefined temperature Tmax or a predefined change in temperature dT/dt being reached.
B29C 64/124 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective
A method for manufacturing a dental partial prosthesis from a dental blank, wherein the dental blank is a block, having an upper surface and a lower surface, which is composed of a flesh-coloured material and a tooth-coloured material. The flesh-coloured material and the tooth-coloured material are bonded together. The interface between the materials with elevations and depressions formed in or at the interface extends through an optionally curved plane, which plane is parallel to or oblique to at least a portion of the surfaces of the blank.
METHOD FOR DETERMINING THE INTERNAL STRUCTURE OF AN ARTIFICIAL TOOTH, METHOD FOR PRODUCING AN ARTIFICIAL TOOTH, ARTIFICIAL TOOTH, DATA-PROCESSING DEVICE, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM
The invention relates to a method for determining the internal structure (30) of an artificial tooth (24). The method comprises obtaining external shell data which describe an external shell (28) of the artificial tooth (24). First reference-geometry information is also defined or obtained. This information describes a first reference geometry (BI) which divides the outer shell (28) of the artificial tooth (24) virtually into a first shell portion (28a) and a second shell portion (28b). In addition, a first compressive-strain shell (32) is generated by virtual compressive strain on the first shell portion (28a) in one direction with respect to the first reference geometry (BI). At least one subvolume (34, 36) of the artificial tooth (24) is also derived, which subvolume is delimited by the first compressive-strain shell (32). The invention also relates to a method for producing an artificial tooth (24) having a predetermined outer shell (28). The invention also relates to an artificial tooth (24), to a data-processing device, to a computer program, and to a computer-readable medium.
The invention relates to a method for producing a dental restoration (12) from at least one material of a first material type. In the process, one region of the dental restoration (12) made of the material of the first material type comprises at least two portions of different colours and at least two portions of different colour brightness. The method comprises providing a first starting material (M1) having a first colour, a first colour brightness, and a first opacity. The method also comprises providing a second starting material (M2) having a second colour, a second colour brightness, and a second opacity. The region of the dental restoration (12) is then constructed from the material of the first material type by three-dimensionally arranging a plurality of volume segments, wherein each volume segment is formed exclusively from one or more selected from the first starting material (M1) and the second starting material (M2). The invention also relates to a device (10) for producing a dental restoration (12). The invention also relates to a use.
An oral sensor system (100) having a housing (101) with an electrical circuit (103) for evaluating measurement signals. It further includes a replaceable contact device (105) for the electrical circuit (103), which is coupled to the housing (101) in a liquid-tight manner.
Acid-stable glass fillers and self-adhesive dental composite cements with good transparency containing them. X-ray opaque glass filler with the following composition (wt. %): SiO2: 54.0-64.0; Al2O3: 10.0-25.0; B2O3: 0.0-10.0; La2O3: 0.1-10.0; WO3: 5.0-14.0; ZrO2: 0.1-7.0; MgO: 1.0-7.9; CaO: 0.1-6.0; ZnO: 0-6.0; SrO: 0-6.0, and radically polymerizable composition comprising, in addition to the radiopaque glass filler, at least one radically polymerizable monomer without an acid group, at least one radically polymerizable monomer containing an acid group, and at least one initiator for the radical polymerization. The glass filler is characterized by a high acid stability.
A receptacle (100) for a dental blank (103), having a recess (105) for inserting the dental blank (103); and a projecting clamping lug (107) for clamping the blank (103), which protrudes into the recess (105).
A heat treatment furnace (100) for a dental object (101), including an electronic camera (103) for generating an image data set (107) of the dental object (101) within a firing chamber (123) and an evaluation device (105) for determining a height and/or geometric dimension of the dental object (101) on the basis of the image data set (107).
Process and slip for the production of ceramic shaped parts made of zirconium oxide ceramic by a 3D inkjet printing process. The slip contains zirconium oxide which is suspended in a liquid medium, wherein the slip has a zirconium oxide content of from 68 to 88 wt.-% and contains not more than 5 wt.-% organic components. The process for the production of ceramic components comprises the layered shaping and subsequent sintering of the desired component from the slip.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
A61C 5/77 - Procédés ou dispositifs pour la fabrication des couronnes dentaires
A61C 8/00 - Moyens destinés à être fixés à l'os de la mâchoire pour consolider les dents naturelles ou pour y assujettir des prothèses dentairesImplants dentairesOutils pour l'implantation
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A61C 13/08 - Dents artificiellesFabrication de dents artificielles
A61K 6/804 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de manganèse
A61K 6/807 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de magnésium
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
C03B 32/02 - Cristallisation thermique, p. ex. pour la cristallisation de produits vitreux en articles vitrocéramiques
C03C 3/097 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant du phosphore, du niobium ou du tantale
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
The present invention relates to a device (100) worn on the body and intended for a dental sensor, comprising a holding element (103) for holding the dental sensor in or at the mouth of a person (107); and a support element (105) for supporting the holding element (103) on the body of the person (107).
A radically polymerizable composition including at least one urethane group-containing (meth) acrylate monomer, at least one fracture toughness modifier and at least one transfer reagent of the general formula I
A radically polymerizable composition including at least one urethane group-containing (meth) acrylate monomer, at least one fracture toughness modifier and at least one transfer reagent of the general formula I
A radically polymerizable composition including at least one urethane group-containing (meth) acrylate monomer, at least one fracture toughness modifier and at least one transfer reagent of the general formula I
The composition is particularly suitable as dental materials, for example for the production of dental moldings by generative processes, and is characterised by a high fracture toughness.
The present invention relates to a cover device (100) for covering the lips and corners of the mouth of a patient during a treatment. The cover device comprises: an elastic tensible element for the lips (101); an elastic tensible element for the vestibule (103); and a piece of film (105) interconnecting the tensible elements and having a polyolefin surface (107).
An exposure device (100) for illuminating a dental object (101), having a chamber (103) for receiving the dental object (101); and a radiation source (105) for exposing the dental object (101) to a wavelength greater than 350 nm and to a power density greater than 10 W/cm2.
A printing method for producing a component, including the steps of calculating an energy input for a spatial region of the component on the basis of the optical parameters of a light-curable material; and curing the region of the component by light which generates the calculated energy input into the material.
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/129 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque
The present invention relates to a blank for dental prostheses which has a first layer based on zirconium oxide ceramic and a second layer based on zirconium oxide ceramic, the first layer and the second layer differing in color and forming a boundary surface, wherein the boundary surface is formed in the course of the dental arch in an undulating shape with alternating wave troughs and wave crests, and the vertex lines of the wave crests, viewed in plan view of the boundary surface, extend radially in the mesial-distal direction.
The invention relates to a process for the preparation of a zirconia granulate from a zirconia powder and to the use of the granulate for the preparation of dental blanks and dental restorations.
A method for printing a three-dimensional component (101), including the steps of heating (S101) a build platform to melt a material component to form a sliding film between the component and the build platform; and removing (S102) the component (101) from the build platform.
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
A method for setting a drop shape in a printing process, including the steps of controlling (S101) a piezo element of a printing nozzle by a first voltage profile; detecting (S102) an electric current value averaged over the first voltage profile or a sound amplitude averaged over the first voltage profile; controlling (S103) the piezo element of the printing nozzle by a second voltage profile; detecting (S104) an electric current value averaged over the second voltage profile or a sound amplitude averaged over the second voltage profile; and selecting (S105) the voltage profile with the lower detected current value or the lower detected sound amplitude.
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
A method for analyzing a print head (103), including the steps of driving (S101) a piezo element within the print head with a sequence of voltage profiles; and detecting (S102) a sound level, a current flow, a resistance, an impedance, and/or a temperature of the print head during the driving.
An oxide ceramic containing a pigment, wherein the pigment comprises Al, Cr, and one or more of Y, La, and lanthanides. Also provided is a dental shaped body containing the oxide ceramic with the pigment; a use of the oxide ceramic as a dental material; a use of the dental shaped body for preparing a dental restoration; a process for preparing a dental restoration; and a process for preparing the pigment.
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
A dental material comprising a pigment, wherein the pigment contains Al, Cr and one or more of Y, La and lanthanides. The dental material allows mimicking the red coloration of natural teeth and natural oral mucosa. Also provided is the use of the dental material and the pigment and starting compositions for making the pigment in the preparation of a dental restoration. Furthermore, a process for preparing a dental restoration and a process for preparing the pigment is provided.
C03C 8/20 - Mélanges de frittes vitreuses contenant des additifs, p. ex. des agents opacifiants, des colorants, des agents de broyage contenant des composés du titaneMélanges de frittes vitreuses contenant des additifs, p. ex. des agents opacifiants, des colorants, des agents de broyage contenant des composés du zirconium
C03C 10/16 - Phase cristalline contenant un halogène
25.
Composition For Reducing Or Eliminating Aerosol Generation During Dental And Surgical Procedures
A composition for reducing/eliminating aerosolization during dental/surgical irrigation procedures comprising at least one liquid or solid carrier and at least one polymer, wherein the at least one polymer comprises at least hydroxyalkyl cellulose polymer, at least one poly(ethylene oxide) polymer or a mixture thereof and wherein the at least one polymer is not soluble in the liquid carrier.
A production system (100) for producing partial prostheses (101), with a user interface (103) for digitally designing a prosthesis framework (105) with coupling elements (119) to the residual tooth hard tissue, a prosthesis base (107) and prosthesis teeth (109).
A method of producing a dental restoration (100), including the steps of calculating (S101) a pressure distribution (101) on the oral mucosa (105) through the dental restoration (100) based on a three-dimensional data set (103-DS) of the dental restoration (100) and a three-dimensional data set (103-MS) of the oral mucosa (105); and determining (S102) a spatial region (107) for an elastic production material (109) within the dental restoration (100) based on the calculated pressure distribution (101).
Quartz solid solution glass ceramics and precursors thereof are described, which are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
A61C 5/77 - Procédés ou dispositifs pour la fabrication des couronnes dentaires
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
C03B 32/00 - Post-traitement thermique des produits vitreux non prévu dans les groupes , p. ex. cristallisation, élimination des inclusions gazeuses ou autres impuretés
C03B 32/02 - Cristallisation thermique, p. ex. pour la cristallisation de produits vitreux en articles vitrocéramiques
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
29.
ACYLTHIOUREA OLIGOMERS SUITABLE AS REDOX INITIATOR COMPONENTS AND RADICALLY POLYMERIZABLE COMPOSITIONS COMPRISING THEM
Acylthiourea oligomers according to the formula
Acylthiourea oligomers according to the formula
Acylthiourea oligomers according to the formula
The acylthiourea oligomers, in combination with a hydroperoxide compound, are active as initiators for the radical polymerization. Radically polymerizable compositions comprising at least one acylthiourea, at least one hydroperoxide and at least one radically polymerizable monomer are particularly suitable as dental materials.
The present invention relates to a pre-sintered multi-layered dental mill blank comprising a top layer, a bottom layer, and at least one intermediate layer. The pre-sintered multi-layered dental mill blank or a part prepared thereof has one or more desirable properties when being fully sintered by a speed sintering process. The present invention also relates to a process for preparing a dental restoration using the pre-sintered multi-layered dental mill blank as well as to a dental restoration as such. The present invention further relates to a process for sintering a dental restoration precursor.
The present invention relates to a pre-sintered multi-layered dental mill blank comprising a top layer, a bottom layer, and at least one intermediate layer. The pre-sintered multi-layered dental mill blank or a part prepared thereof has one or more desirable properties when being fully sintered by a speed sintering process. The present invention also relates to a process for preparing a dental restoration using the pre-sintered multi-layered dental mill blank as well as to a dental restoration as such. The present invention further relates to a process for sintering a dental restoration precursor.
A method of producing a dental arch toothbrush (100), including the steps of detecting (S101) a dental arch shape (101) of a patient; and milling (S102) the dental arch shape (101) out of a disk (103) in which the bristles (105) of the dental arch toothbrush (100) are embedded.
A46B 9/04 - Position ou disposition des soies par rapport à la surface de la monture, p. ex. inclinées, en rangées, en groupes pour les brosses à dents
A46D 1/00 - SoiesEmploi de matériaux spécifiés pour les soies
Quartz solid solution glass ceramics and precursors thereof are described. which are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
C03B 32/02 - Cristallisation thermique, p. ex. pour la cristallisation de produits vitreux en articles vitrocéramiques
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
A method of determining the three-dimensional shape of a functional surface of a dental prosthesis, comprising the steps of detecting (S101) an intraoral space to generate a three-dimensional actual data set; and inputting (S102) the three-dimensional data set into a learned algorithm to generate a three-dimensional nominal data set for a functional surface of the dental prosthesis.
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A61B 1/00 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments
A61B 1/24 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments pour la bouche, c.-à-d. stomatoscopes, p. ex. portant des abaisse-langueInstruments pour ouvrir la bouche ou la maintenir ouverte
A61C 9/00 - Méthodes de prise d'empreintes spécialement conçues pour les prothèses dentairesPorte-empreintes à cet effet
A method of producing a dental restoration, including the steps of determining (S101) a first spatial region of the dental restoration that is subject to a higher load than a second spatial region of the dental restoration; and producing (S102) the dental restoration in the first spatial region with a different production material than in the second spatial region.
A radically polymerizable material for the preparation of dental prostheses, containing (a) at least one monofunctional radically polymerizable (meth)acrylate, (b) at least one polyfunctional radically polymerizable (meth)acrylate, (c) at least one ABA triblock copolymer, (d) at least one nanoparticulate or microfine filler having an average primary particle size of from 10 nm to 350 nm, and (e) at least one photoinitiator. The A block of the ABA triblock copolymer is an oligomeric polyester and the B block is an oligomeric polysiloxane.
A milling machine (10), having a milling spindle (12) and a workpiece holder (24) which is mounted so as to move with respect to the milling spindle (12) in at least 3 or 4 spatial directions, having a workpiece which is held in a clamped manner on the workpiece holder (24), having a sensor, relative to which the workpiece can be brought into contact and relative to which workpiece the sensor can be moved to sense the workpiece, wherein the sensor is designed as a sensing probe (18), having a deflection and detection of a deflection of its sensing element (30) in at least 1 spatial direction, or in 2 or 3 spatial directions.
A method of producing a dental object (100), including the steps of producing a pillared support structure (101) on the dental object (100); and producing a lattice structure (103) for reinforcing the support structure (101).
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
A radically polymerizable composition comprising at least one polyfunctional radically polymerizable monomer having no acid group, at least one acid group-containing radically polymerizable monomer and/or at least one acidic oligomer, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one initiator for the radical polymerization, wherein the fluoroaluminosilicate glass filler and/or radiopaque glass filler is coated with a silica (hetero)polycondensate. The composition is characterized by high stability and is particularly suitable as a dental material.
C09C 3/00 - Traitement, en général, de substances inorganiques, autres que des charges fibreuses, pour améliorer leurs propriétés de pigmentation ou de charge
C09C 3/06 - Traitement par des composés inorganiques
C09C 3/08 - Traitement par des composés organiques de bas poids moléculaire
A holding device (100) for a cylindrical blank (200), including a cylindrical recess (103) for inserting the blank (200); and a straight slot (105) intersecting the cylindrical recess (103) beyond the central point.
A method of producing a multicolor glass-ceramic blank (10) for dental purposes. A glass-ceramic blank (10) is produced from at least a first material powder (18) and a second material powder (20), wherein the first material powder (18) and the second material powder (20) are different-colored and wherein at least one of first material powder (18) and second material powder (20) has nanoparticles (14) and/or glass-ceramic particles (16). The first material powder (18) and the second material powder (20) are introduced into a mold (22) in order to form at least one powder mixture aggregate (26). Additionally, the powder mixture aggregate (26) is compressed by hot pressing in order to form the glass-ceramic blank (10). A multicolor glass-ceramic blank (10) is obtainable by such a method and the multicolor glass-ceramic blank (10) is used as dental material.
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B28B 3/02 - Fabrication d'objets façonnés en utilisant des pressesPresses spécialement adaptées à ce travail dans laquelle un poinçon exerce une pression sur le matériau dans une cavité de moulagePoinçons de forme particulière
45.
Multiple Mold For Production Of At Least Two Glass-Ceramic Blanks For Dental Purposes, Use Of A Multiple Mold, Compression Apparatus And Continuous System
A multiple mold (42) for production of at least two glass-ceramic blanks. The glass-ceramic blanks are for dental purposes and are produced from at least two powder blanks by hot pressing. The multiple mold (42) includes a frame (48) that defines at least sections of a receiving volume (50) for the at least two powder blanks. Additionally provided is a separating element (52) which is disposed within the receiving volume (50) and divides the receiving volume (50) into at least two subvolumes, each of which is designed to accommodate one of the at least two powder blanks. Also described are the use of the multiple mold (42) for production of a glass-ceramic blank for dental purposes, a compression apparatus and a continuous system for production of glass-ceramic blanks for dental purposes.
A dental object (100), having an adhering region (103) for attaching the dental object (100) to a tooth, teeth (105) or the gums, including an array (101) of suction cups (107-1, . . . , 107-n).
A61K 6/802 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques
C03B 19/02 - Autres méthodes de façonnage du verre par coulée
C03B 32/02 - Cristallisation thermique, p. ex. pour la cristallisation de produits vitreux en articles vitrocéramiques
C03C 3/097 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant du phosphore, du niobium ou du tantale
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
C03C 17/02 - Traitement de surface du verre, p. ex. du verre dévitrifié, autre que sous forme de fibres ou de filaments, par revêtement par du verre
48.
RADICALLY POLYMERIZABLE COMPOSITION COMPRISING A REDOX INITIATOR SYSTEM BASED ON DIHYDROPYRIDINES
Centre National de la Recherche Scientifique (France)
Universite de Haute Alsace (France)
Inventeur(s)
Fässler, Pascal
Lamparth, Iris
Catel, Yohann
Schnur, Thomas
Lalevée, Jacques
Thetiot, Estelle
Abrégé
Radically polymerizable dental material, which includes a catalyst paste and a base paste, wherein the catalyst pastes includes an oxidizing agent, preferably a peroxide or hydroperoxide, a radically polymerizable monomer and/or oligomer with acid group and a polyfunctional radically polymerizable monomer, and the base paste comprises a polyfunctional radically polymerizable monomer without an acid group and a dihydropyridine derivative of Formula (1)
Radically polymerizable dental material, which includes a catalyst paste and a base paste, wherein the catalyst pastes includes an oxidizing agent, preferably a peroxide or hydroperoxide, a radically polymerizable monomer and/or oligomer with acid group and a polyfunctional radically polymerizable monomer, and the base paste comprises a polyfunctional radically polymerizable monomer without an acid group and a dihydropyridine derivative of Formula (1)
Radically polymerizable dental material, which includes a catalyst paste and a base paste, wherein the catalyst pastes includes an oxidizing agent, preferably a peroxide or hydroperoxide, a radically polymerizable monomer and/or oligomer with acid group and a polyfunctional radically polymerizable monomer, and the base paste comprises a polyfunctional radically polymerizable monomer without an acid group and a dihydropyridine derivative of Formula (1)
The material has good mechanical properties and does not exhibit a bitter taste.
A vacuum film (100) for scanning an oral cavity (101), having a perforation layer (103); a fiber layer (105) arranged on the perforation layer (103); and a texture layer (107) arranged on the fiber layer (105).
A method of producing a dental restoration, including the steps of producing (S101) the dental restoration in an initial geometry having an excess volume compared to the final geometry to be produced; infiltrating (S102) the initial geometry with an investment material; and removing (S103) the excess volume with the investment material to produce the final geometry.
A dental material having at least one copolymer obtained by (I) copolymerizing one or more monomers MG having a polymerizable (meth)acrylate group, one or more OH group-containing (meth)acrylates MF, one or more strongly acidic adhesive monomers MH and optionally of one or more polymerizable carboxylic acid monomers MCS, (II) reacting the resulting copolymer A0 in a polymer-analogous reaction with a functionalized, radically polymerizable monomer MP, which reacts with the OH groups of the monomer MF in the polymer chain of A0 to form a copolymer AP having pendant polymerizable groups, and (III) neutralizing the copolymer Ap with a base. The material is particularly suitable as a dental adhesive.
A61K 6/30 - Compositions pour fixer temporairement ou de façon permanente les dents ou les palais, p. ex. apprêts pour adhésifs dentaires
A61C 5/30 - Fixation d’inlays, d’onlays ou de couronnes
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A61K 6/887 - Composés obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
53.
CONTAINER FOR PRODUCING A DENTAL SYNTHETIC MATERIAL COMPOSITION
A container (100) for producing a self-curing or dual-curing dental synthetic material composition (200), which container comprises a deformable wall (101), having a first synthetic material component (103-1); and a second synthetic material component (103-2) for curing the synthetic material composition (200) or starting a curing reaction.
B65D 81/32 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu pour emballer plusieurs matériaux différents qui doivent être maintenus séparés avant d’être mélangés
Provided are dental alloys comprising platinum, cobalt, and gold and optionally further comprising one or more of ruthenium, gallium, manganese, chromium and silicon, wherein the gold makes up from 0.5 to 5.0 wt % of the total alloy. The alloys have desirable castability and ease of manufacture. The alloys can be used in manufacture of dental articles comprising the alloy and porcelain materials, and used for various dental restorations.
A semi-finished product as a pre-product for a dental prosthesis having a prosthesis base, wherein the prosthesis base comprises at least one dental recess for receiving a set of teeth, and wherein the set of teeth is glued into the at least one dental recess by an adhesive. In the dental recess and/or in or at the set of teeth an adhesive channel is configured which extends along the at least one dental recess or the dental arch in its main direction of extension. It starts at an adhesive filling opening whose configuration is adapted to a filling element.
A method for spatially resolved color determination, comprising the steps of projecting (S101) a first structured-light pattern having a first wavelength of light onto a dental object;
A method for spatially resolved color determination, comprising the steps of projecting (S101) a first structured-light pattern having a first wavelength of light onto a dental object;
detecting (S102) a first spatially resolved optical parameter set based on the reflected or remitted first structured-light pattern; projecting (S103) a second structured-light pattern having a second wavelength of light onto the dental object; detecting (S104) a second spatially resolved optical parameter set based on the reflected or remitted second structured-light pattern; and calculating (S105) a third spatially resolved optical parameter set at a third wavelength of light based on the first and second spatially resolved optical parameter sets.
A method for assigning an order identification to a manufactured dental restoration, including the steps of scanning (S101) the manufactured restoration to generate an actual data set representing the actual shape of the manufactured restoration; retrieving (S102) a data set representing a nominal shape of a digital restoration and to which an order identification is assigned; comparing (S103) the actual shape with the nominal shape; and detecting (S104) the order identification of the data set when the actual shape corresponds to the nominal shape.
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
G16H 30/20 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le maniement d’images médicales, p. ex. DICOM, HL7 ou PACS
A furnace (10) having a pressing punch (36), a pressure, distance and/or speed sensor and a control device for controlling a pressing process based on the output signal of the sensor. The sensor detects at least a pressure, position and/or motion parameter of the pressing punch (36). The pressing punch (36) acts on the bulk material of glass particles (32)—possibly via an interposed ram (28)—, said glass particles being guided and crystallizable in a press channel (30). The trigger criterion for the process control is a change of at least a motion parameter of the pressing punch (36) upon softening of the bulk material of glass particles (32) which change is detected by the sensor.
A method for arranging support structures for an additive manufacturing process on a dental restoration, comprising the steps of detecting (S101) a flash line in a digital model of the dental restoration; and adding (S102) support structures to the digital model for supporting the dental restoration in the additive manufacturing process along the flash line.
B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
A method for removing deposits in a print head of a 3D printer, including the steps of supplying (S101) a liquid having a granular solid to the print head; and setting into vibration (S102) the liquid in the print head.
B33Y 40/00 - Opérations ou équipements auxiliaires, p. ex. pour la manipulation de matériau
B08B 3/10 - Nettoyage impliquant le contact avec un liquide avec traitement supplémentaire du liquide ou de l'objet en cours de nettoyage, p. ex. par la chaleur, par l'électricité ou par des vibrations
B08B 3/12 - Nettoyage impliquant le contact avec un liquide avec traitement supplémentaire du liquide ou de l'objet en cours de nettoyage, p. ex. par la chaleur, par l'électricité ou par des vibrations par des vibrations soniques ou ultrasoniques
61.
CALIBRATION UNIT FOR A MACROSCOPIC MEDICAL IMAGING DEVICE, MACROSCOPIC MEDICAL IMAGING CALIBRATION SYSTEM AND USE OF A CALIBRATION UNIT
A calibration unit (28) for the calibration of a macroscopic medical imaging device. The calibration unit (28) is especially suitable for the calibration of a macroscopic dental imaging device. The calibration unit (28) comprises a main body (40) having a front surface (42) being configured for being optically oriented towards the imaging device. Moreover, a fluorescent material (54) of a first type is arranged in a first sector (48) of the main body (40). Furthermore, a fluorescent material (58) of a second type is arranged in a second sector (56) of the main body (40). Alternatively or additionally to the fluorescent material (58) of the second type, an opaque, non-fluorescent material (68) is arranged in a third sector (66) of the main body (40). Additionally, a macroscopic medical imaging calibration system, especially a macroscopic dental imaging calibration system is presented. Moreover, a use of the calibration unit (28) as described above for the calibration of a macroscopic medical imaging device, especially for the calibration of a macroscopic dental imaging device, is explained.
A method for preventing deposits of a printing liquid at a nozzle plate (101) of a print head within a 3D printer (100), including the step of increasing a saturation level of a carrier liquid (103) of the printing liquid in the air in front of the nozzle plate (101).
A manufacturing device (100) for a dental restoration (200), including a tool (101) for machining a blank (201); a detector (103) for detecting a spindle current of a turning spindle (117); and a calculator (105) for calculating wear of the tool (101) based on the spindle current.
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
64.
MULTILAYER OXIDE CERAMIC BODY WITH ALIGNED SINTERING BEHAVIOUR
Multilayer oxide ceramic bodies and in particular presintered multilayer oxide ceramic blanks and oxide ceramic green bodies, which comprise at least two different layers and are suitable for dental applications, wherein at least one layer contains La2O3 and the at least two different layers differ in their content of La2O3. These bodies can be thermally densified by further sintering without distortion and are therefore particularly suitable for the production of dental restorations. The invention also relates to a process for the production of such multilayer oxide ceramic bodies as well as a process for the production of dental restorations using the multilayer oxide ceramic bodies.
C04B 35/50 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de composés de terres rares
C04B 35/04 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxyde de magnésium, d'oxyde de calcium ou de mélanges d'oxydes dérivés de la dolomite à base d'oxyde de magnésium
C04B 35/10 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxyde d'aluminium
C04B 35/48 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zirconium ou d'hafnium ou de zirconates ou d'hafnates
A manufacturing device (100) for manufacturing a dental object (101), including an electronic camera (103) for capturing an image data set (107) of the dental object (101) to be processed; and a controller (105) for determining the control data for manufacturing the dental object (101) based on the image data set (107).
A circuit housing (100) for a wearable intraoral application, including an inner layer (105-1) of a first material (101-1) for waterproof enclosure of an electronic circuit (103); and an outer layer (105-2) of a second material (101-2) for spatially fitting the circuit housing to a set of teeth (111), at least partially covering the first material (101-1).
A zirconia blank produced by introducing a zirconia suspension into a porous mould and demoulding the blank formed as well as the use of the optionally presintered blank formed for the preparation of a dental restoration using a very short dense-sintering process.
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B28B 1/26 - Fabrication d'objets façonnés à partir du matériau par coulée en moule poreux ou absorbant, c.-à-d. en coulant une suspension ou une dispersion du matériau dans un absorbeur de liquide ou un moule poreux, le liquide pouvant imbiber les parois du moule ou passer à travers celles-ci, p. ex. coulage de barbotineMoules à cet effet
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
A saliva suction device is provided comprising a plastic injection-molded part which configures a coupling for connection to a suction hose, possibly via an adapter, and is plugged on the suction hose or connected to the suction hose in another manner and particularly configures a lingual shield. A first suction channel extends through the molded part. A massive, i.e. non-porous, soft body is plugged on or at the plastic molded part and connected to the molded part in a form-fitting manner, through which soft body a second suction channel extends which is vertically offset relative to the first suction channel. Particularly on the side of the second suction channel, which is opposite the first suction channel, a suction area with at least one suction opening for saliva is configured in the soft body.
A61C 17/10 - Appareils pour enlever la saliveLeurs accessoires avec des tampons buccaux, des protège-langue, des abaisse-langue ou des écarteurs de joues
A dental handheld device (100) for curing a polymer using light, having a laser diode as a first light source (101-1) for outputting light in a first wavelength range; and a second light source (101-2) for outputting light in a second wavelength range.
A machining method including the steps of providing (S101) a data set (101) for the milling process in which at least one process parameter (103) for machining a workpiece (105) is specified; simulating (S102) a machining force on the workpiece (105) based on the data set; and adjusting (S103) the process parameter (103) for machining until a predetermined maximum value for the machining force is reached or a predetermined minimum value is maintained.
B23Q 15/06 - Commande ou régulation du mouvement d'avance en fonction des données dimensionnelles résultant de plusieurs méthodes de calibrage basées sur des principes de mesure différents, p. ex. à la fois par des moyens optiques et mécaniques
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
72.
Compositions for the production of fracture-tough dental parts by means of stereolithography
A polymerizable composition, which includes (a) at least one radically polymerizable oligomer, (b) at least one radically polymerizable monomer and (c) at least one initiator for the radical polymerization, characterized in that the radically polymerizable oligomer (a) is selected from the group consisting of aliphatic urethane (meth)acrylate oligomers, epoxy (meth)acrylate oligomers and polyether urethane (meth)acrylate oligomers, and the radically polymerizable monomer (b) is polyfunctional.
C08F 2/46 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
C08G 61/04 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques
C08L 33/06 - Homopolymères ou copolymères des esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'oxygène, faisant uniquement partie du radical carboxyle
C08L 33/08 - Homopolymères ou copolymères des esters de l'acide acrylique
C08K 3/013 - Charges, pigments ou agents de renforcement
Process and slip for the production of ceramic shaped parts made of zirconium oxide ceramic by a 3D inkjet printing process. The slip contains zirconium oxide which is suspended in a liquid medium, wherein the slip has a zirconium oxide content of from 68 to 88 wt.-% and contains not more than 5 wt.-% organic components. The process for the production of ceramic components comprises the layered shaping and subsequent sintering of the desired component from the slip.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
A61K 6/818 - Préparations pour la fabrication de dents artificielles, l’obturation ou le recouvrage des dents comprenant des céramiques comprenant de l’oxyde de zirconium
C04B 35/119 - Composites avec de l'oxyde de zirconium
Dental polishing and cleaning paste for professional tooth cleaning, which contains 1 to 30 wt.-% water, 25 to 70 wt.-% at least one humectant, 25 to 60 wt.-% at least one abrasive and 0.05 to 2 wt.-% at least one surfactant, in each case relative to the total mass of the polishing and cleaning paste.
A61K 8/96 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés
A61Q 11/00 - Préparations pour le nettoyage des dents, de la bouche ou des prothèses dentaires, p. ex. dentifricesBains de bouche
75.
FILM TENSIONING ELEMENT, METHOD FOR THE APPLICATION OF A FILM TENSIONING ELEMENT IN COMBINATION WITH THE SCAN HEAD OF A SCANNER, AS WELL AS METHOD FOR PRODUCING A FILM TENSIONING ELEMENT
A film tensioning element is provided for dental applications with a film extending between tensioning rings. The film has a modulus of elasticity of less than 2 KN/mm2. The film is made of a tough plastic with a modulus of elasticity of more than 1 KN/mm2, in particular of PP, or optionally of PA. The film tensioning element is manufactured together with the tensioning rings.
A61C 5/90 - Protections buccales à utiliser durant le traitement, p. ex. protège-lèvres ou protège-bouche
C08L 33/24 - Homopolymères ou copolymères des amides ou des imides
C08L 67/03 - Les acides dicarboxyliques et les composés dihydroxylés ayant les groupes hydroxy et carboxyliques liés directement à des cycles aromatiques
A61C 5/82 - Digues dentairesSupports ou crampons pour celles-ci
A recognition method for a dental object, including the steps of providing (S101) a digital dental object in a coordinate system describing a shape of the dental object to be manufactured; and automatically assigning (S102) the digital dental object to a predetermined class based on the shape by a self-learning algorithm.
G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p. ex. des objets vidéo
G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
A manufacturing method for a dental object, including the steps of generating (S101) a digital dental object in a coordinate system describing a shape of the dental object to be manufactured; rotating (S102) the spatial orientation of the digital dental object in the coordinate system based on a digital reference object in the coordinate system; and manufacturing (S103) the dental object based on the digital dental object with the rotated spatial orientation.
A manufacturing machine (100) for manufacturing a dental object (101), having a suspension damper (103) for slowing down the falling dental object (101).
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B33Y 40/00 - Opérations ou équipements auxiliaires, p. ex. pour la manipulation de matériau
79.
FILM-TENSIONING ELEMENT, METHOD FOR USING A FILM-TENSIONING ELEMENT IN COMBINATION WITH THE SCANNING HEAD OF A SCANNER, AND METHOD FOR MANUFACTURING A FILM-TENSIONING ELEMENT
The invention relates to a film-tensioning element for dental applications, said film-tensioning element comprising a film that extends between tensioning rings. The film has a modulus of elasticity of less than 2 KN/mm2. The film is made of a tough plastic having a modulus of elasticity of more than 1 KN/mm2, in particular PP, or optionally PA. The film-tensioning element is manufactured together with the tensioning rings.
A one-piece or multi-piece prosthesis blank for manufacturing a dental prosthesis. The blank is constructed from a gum-colored material and a tooth-colored material. It is characterized by being connected to each other at connecting surfaces, having an interface between the gum-colored and tooth-colored materials. This interface, when viewed along the connecting surfaces has an undulating shape and viewed in the vestibular direction has a radial shape. In order to finish the dental prosthesis, a CAD/CAM device determines the exact course of a gingival line, based on patient-specific data, and produces the prosthesis.
G16H 20/40 - TIC spécialement adaptées aux thérapies ou aux plans d’amélioration de la santé, p. ex. pour manier les prescriptions, orienter la thérapie ou surveiller l’observance par les patients concernant des thérapies mécaniques, la radiothérapie ou des thérapies invasives, p. ex. la chirurgie, la thérapie laser, la dialyse ou l’acuponcture
A manufacturing method for a dental object (100) including the steps of generating a dendritic base structure (101) on a build platform (103) and building the dental object (100) on the dendritic base structure (103) by a three-dimensional printing method.
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A holding device (100) for a round dental blank (200). The holding device has an open ring element (101) for laterally gripping the dental blank (200) and a closing element (103) for closing the ring element (101) at various positions.
The present invention relates to a holding device (100) for a round dental blank (200), comprising an open ring element (101) for laterally gripping the dental blank (200); and a closing element (103) for closing the ring element (101) at various positions.
Radically polymerizable material, which contains (a) 0.01 to 5 wt.-% of at least one transfer reagent, (b) 5 to 60 wt.-% of at least one multifunctional (meth)acrylate or a mixture of mono-and multifunctional (meth)acrylates, (c) 0.01 to 3.0 wt.-% of a mixture of at least one monomolecular and at least one bimolecular photoinitiator, (d) 30 to 90 wt.-% of at least one filler, and (e) optionally additive(s), wherein the material contains as transfer reagent (a) at least one allyl sulfone of Formula I and/or a vinyl sulfone ester of Formula II.
C08F 2/48 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible
C08F 228/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par une liaison au soufre ou par un hétérocycle contenant du soufre par une liaison au soufre
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
A material for use as support material for energy-pulse-induced transfer printing, which contains (a) at least one energy transformation component, (b) at least one volume expansion component and (c) at least one binder and which has a viscosity at 25° C. of from 0.2 Pas to 1000 Pas and a surface tension at 25° C. of from 20 to 150 mN/m. The invention furthermore relates to a process for producing three-dimensional objects using the support material.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir
B29C 64/165 - Procédés de fabrication additive utilisant une combinaison de matériaux solides et liquides, p. ex. une poudre avec liaison sélective par liant liquide, catalyseur, inhibiteur ou absorbeur d’énergie
A material for use as support material for energy-pulse-induced transfer printing, which contains (a) at least one energy transformation component, (b) at least one volume expansion component and (c) at least one binder and which has a viscosity at 25° C. of from 0.2 Pas to 1000 Pas and a surface tension at 25° C. of from 20 to 150 mN/m. The invention furthermore relates to a process for producing three-dimensional objects using the support material.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
B28B 11/24 - Appareillages ou procédés pour le traitement ou le travail des objets façonnés pour faire prendre ou durcir
B29C 64/165 - Procédés de fabrication additive utilisant une combinaison de matériaux solides et liquides, p. ex. une poudre avec liaison sélective par liant liquide, catalyseur, inhibiteur ou absorbeur d’énergie
The invention relates to a method for the digital acquisition of an intraoral structure by scanning the structure using an intraoral color scanner which, according to the invention, is designed to correct color values of the scanning points using a color reference template of a reference color space.
A61C 9/00 - Méthodes de prise d'empreintes spécialement conçues pour les prothèses dentairesPorte-empreintes à cet effet
A61B 1/24 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments pour la bouche, c.-à-d. stomatoscopes, p. ex. portant des abaisse-langueInstruments pour ouvrir la bouche ou la maintenir ouverte
The present invention relates to a method for fabricating a dental restoration, comprising the steps of rendering (S101) a first digital tooth model with a first material combination for generating a first actual data set representing the optical properties of the first digital tooth model; determining (S102) a first deviation between a target data set and the first actual data set; rendering (S103) a second digital tooth model based on a second combination of materials to generate a second actual data set representing the optical properties of the second digital tooth model; determining (S104) a second deviation between the target data set and the second actual data set; and fabricating (S105) the dental restoration based on the first digital tooth model when the first deviation is less than the second deviation and fabricating the dental restoration based on the second digital tooth model when the second deviation is less than the first deviation.
G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
G06T 3/40 - Changement d'échelle d’images complètes ou de parties d’image, p. ex. agrandissement ou rétrécissement
A dental cartridge, in particular for insertion into an injector, is configured with a cylinder body with a gripping shoulder at a first end face and with a cylinder chamber into which dental material can be filled, with a dispensing nozzle which is arranged on a second end face of the cylinder body opposite the gripping shoulder, wherein the cylinder body and the dispensing nozzle are connected via a joint. The joint is formed with a joint head in the form of a ball as part of the dispensing nozzle and with a complementary joint socket as part of the cylinder body at the second end face. The dispensing nozzle is swiveled in relation to the cylinder body in a swivel range about three axes x-y-z.
A dental hand-held device (100), including a curing device (101) for curing a dental restauration material (103) with light in a first wavelength range; and a fluorescence excitation device (105) for exciting fluorescence of dental substance (107) with light in a second wavelength range.
A61C 13/15 - Dispositifs pour le durcissement des prothèses en matière plastique pour le durcissement par action de la lumière
A61B 1/04 - Instruments pour procéder à l'examen médical de l'intérieur des cavités ou des conduits du corps par inspection visuelle ou photographique, p. ex. endoscopesDispositions pour l'éclairage dans ces instruments combinés avec des dispositifs photographiques ou de télévision
The invention relates to a material for use as construction material for energy-pulse-induced transfer printing, which contains (a) at least one polymerizable binder, (b) at least one volume expansion component, (c) at least one initiator for the polymerization and (d) preferably at least one energy transformation component. The invention furthermore relates to a process for producing three-dimensional objects using the material.
C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p. ex. réticulation par UV qui suit l’impression
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B29C 64/135 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque la source d’énergie étant concentrée, p. ex. lasers à balayage ou sources lumineuses focalisées
C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés
C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
A61K 6/30 - Compositions pour fixer temporairement ou de façon permanente les dents ou les palais, p. ex. apprêts pour adhésifs dentaires
A61K 6/887 - Composés obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A radically polymerizable composition having at least one acidic radically polymerizable monomer, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one masking agent in solid form.
A radical polymerizable composition having at least one acidic radical polymerizable monomer, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one water-soluble sulfate and/or phosphate.
A radically polymerizable dental material having at least one radically polymerizable monomer without acid groups, at least one radically polymerizable monomer containing an acid group, at least one fluoroaluminosilicate glass filler and/or radiopaque glass filler, and at least one initiator for the radical polymerization, wherein the filler is an acid-treated fluoroaluminosilicate glass filler and/or radiopaque glass filler.
Lithium silicate glass ceramics and precursors thereof are described, which comprise copper and are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
C03C 3/083 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant de l'oxyde d'aluminium ou un composé du fer
C03C 3/091 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant du bore contenant de l'aluminium
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
Lithium silicate glass ceramics and precursors thereof are described, which contain tin and are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry.
C03C 3/083 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant de l'oxyde d'aluminium ou un composé du fer
C03C 3/097 - Compositions pour la fabrication du verre contenant de la silice avec 40 à 90% en poids de silice contenant du phosphore, du niobium ou du tantale
C03C 4/00 - Compositions pour verres ayant des propriétés particulières
97.
Device for layer-wise construction of a shaped body by stereolithographic solidification of photopolymerizable material
B29C 64/135 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque la source d’énergie étant concentrée, p. ex. lasers à balayage ou sources lumineuses focalisées
B29C 64/277 - Agencements pour irradiation utilisant des moyens de rayonnement multiples, p. ex. des micro-miroirs ou des diodes électroluminescentes multiples [LED]
B29C 64/282 - Agencements pour irradiation utilisant des moyens de rayonnement multiples, p. ex. des micro-miroirs ou des diodes électroluminescentes multiples [LED] du même type, p. ex. utilisant des niveaux d’énergie différents
B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
98.
Manufacturing device for the manufacture of a blank for a dental restoration part, method for manufacturing a blank for a dental restoration part, as well as blank
A manufacturing device is provided for the production of a blank, in particular one which is to be polymerized, of a dental restoration part. A mold for receiving blank material includes in particular a pot-shaped or cup-shaped base and a punch or—possibly hood-shaped—cover. An insert body with a structure on its underside and a heating device for the mold and a control device for the manufacturing device are provided. A height measuring device is connected to the control device, which measures the height of a reference surface connected to the punch or cover, relative to the base. The control device calculates the height position of the structure based on this measured height.
A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
B23Q 3/00 - Dispositifs permettant de maintenir, supporter ou positionner les pièces ou les outils, ces dispositifs pouvant normalement être démontés de la machine
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A method of producing a dental object (100), including the steps of producing a pillared support structure (101) on the dental object (100); and producing a lattice structure (103) for reinforcing the support structure (101).
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
