One embodiment of the present invention provides a dental restoration material composition comprising a spherical organic-inorganic composite filler having a controlled particle size, thus having high physical properties and a chameleon effect, thereby providing the effect of improving the convenience of a technician's operation and at the same time enhancing the aesthetic and functional satisfaction of dental patients.
The present invention relates to: an antimicrobial 3D printing composition which, by comprising a nitrogen-containing aliphatic heterocyclic derivative, can improve the antimicrobial activity of the composition, and which has a level of viscosity (5,500-7,000 cps at 25 °C) that is applicable to general photocurable 3D printers, and thus can be used as a 3D printing composition; and an antimicrobial 3D-printed dental product using same.
C08F 265/06 - Polymérisation d'esters acryliques ou méthacryliques sur des polymères de ces esters
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
C08K 3/013 - Charges, pigments ou agents de renforcement
A01N 43/84 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, contenant des composés hétérocycliques comportant des cycles avec des atomes d'azote et des atomes d'oxygène ou de soufre, comme hétéro-atomes du cycle des cycles à six chaînons avec un atome d'azote et soit un atome d'oxygène, soit un atome de soufre, en positions 1,4
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
B33Y 80/00 - Produits obtenus par fabrication additive
B33Y 70/10 - Composites de différents types de matériaux, p. ex. mélanges de céramiques et de polymères ou mélanges de métaux et de biomatériaux
3.
DENTAL COMPOSITION AND PREPARATION METHOD THEREFOR
The present invention relates to a dental composition including cement and a non-aqueous liquid, wherein the cement includes a first domain including alite, a second domain including belite, and a matrix located between one or more selected from the group consisting of the first domain and the second domain and configured to include silicon (Si)-atom-doped tricalcium aluminate (3CaO.Al2O3). A dental hydraulic composition according to the present invention is a single ointment-type composition, and is thus easy to use and exhibits a good aesthetic appearance, high curability and high biocompatibility.
2), ultimately making it possible to manufacture a dental composite blank that is similar to a natural tooth and thus exhibits a superior aesthetic appearance and high interlayer bonding strength.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 37/10 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la technique de pressage, p. ex. faisant usage de l'action directe du vide ou d'un fluide sous pression
B32B 37/02 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la séquence des opérations de stratification, p. ex. par addition de nouvelles couches à des postes successifs de stratification
3) in which a silicon atom (Si) is solid-soluted (Si solid-soluted C3A), the tricalcium aluminate being disposed between at least one selected from the group consisting of the Al solid-soluted C3S and the Al solid-soluted C2S. When the cement including aluminum solid-soluted tricalcium silicate, aluminum solid-soluted dicalcium silicate, and silicon solid-soluted tricalcium aluminate is prepared and used for a root-canal sealer composition, a curing time is reduced and compressive strength is increased. Also, the root-canal sealer composition is effective at ensuring a sufficient working time, thereby improving workability and storage stability.
A method for manufacturing a composite blank is disclosed. The method for manufacturing a composite blank comprises the steps of: (a) filling a mold with each of a composition for a first composite blank, having a first color, and a composition for a second composite blank, having a second color, so as to manufacture a laminate comprising a composition layer for a first composite blank/a composition layer for a second composite blank; (b) applying pressure to the laminate filled in the mold so as to cause a part or all of the composition for a second composite blank, of the composition layer for a second composite blank, to penetrate the composition layer for a first composite blank, thereby manufacturing a laminate having a color gradient; and (c) curing the laminate having a color gradient so as to manufacture a composite blank having a color gradient, wherein the composite blank manufactured by the method for manufacturing a composite blank has a color gradient.
2). The dental composite blank and the method of manufacturing the same are effective at dispersing a non-dispersed filler and removing bubbles, thus improving mechanical properties, through repeated pressurization at different pressures before curing the composite paste.
The present invention relates to a method for manufacturing a dental composite blank, comprising the steps of: (a) preparing a mixture by mixing a raw material including an unsaturated double bond compound, a filler, and a polymerization initiator; (b) preparing a composite paste in which the unsaturated double bond compound is uniformly dispersed among the filler by pressing the mixture; (c) injecting the composite paste into a mold; and (d) curing the composite paste injected into the mold. The dental composite blank and the method for manufacturing same of the present invention additionally comprise the step of applying high pressure in the step of mixing the dental composite paste, whereby monomers or oligomers uniformly permeate among the high content filler, thereby reducing the degree of non-uniformity in the paste, and accordingly there is an effect of improving mechanical properties of the dental composite blank.
A dental composition is disclosed. The dental composition comprises: an unsaturated double-bond compound comprising one or more selected from the group consisting of a monomer having an unsaturated double bond, and an oligomer of monomers having an unsaturated double bond; and a filler, wherein the filler comprises a first filler having a first average particle diameter and a second filler having a second average particle diameter, the first average particle diameter is smaller than the second average particle diameter, and, since two or more types of fillers having different average particle diameters are introduced into a dental photopolymerizable surface-coating composition, the mechanical properties of a tooth coating layer can be improved by increasing the amount of fillers in a polydispersed state.
12122). According to the present invention, it is possible to manufacture a dental composite blank which is similar to natural teeth and thus is aesthetically excellent, and which has excellent interlayer adhesion.
22233) in which silicon (Si) atoms are solid-soluted (Si solid-soluted C3A), the tricalcium aluminate being placed between one or more selected from the group consisting of the tricalcium silicate in which aluminium atoms are solid-soluted (Al solid-soluted C3S) and the dicalcium silicate in which aluminium atoms are solid-soluted (Al solid-soluted C2S). The present invention has effects of reducing the curing time and enhancing the compressive strength by preparing cement comprising aluminum solid-soluted tricalcium silicate, aluminum solid-soluted dicalcium silicate, and silicon solid-soluted tricalcium aluminate and using the cement as a root canal filler composition. In addition, the root canal filler composition of the present invention can ensure sufficient work time, thereby improving workability and storage stability.
The present invention relates to a method for manufacturing a dental composite blank, comprising the steps of: (a) positioning a composite paste in a mold; (b) pressurizing the composite paste injected into the mold at a first pressure (P1); (c) pressurizing the composite paste injected into the mold at a second pressure (P2); and (d) curing the pressurized composite paste, wherein steps (b) and (c) are performed once or multiple times, respectively, and the first pressure (P1) is smaller than or greater than the second pressure (P2). The dental composite blank and the method for manufacturing the same of the present invention have an effect in which non-dispersed filler is dispersed and bubbles therein are removed, and thus mechanical properties thereof are improved, by repeating the steps of pressurizing at different pressures before curing the composite paste.
The present invention provides a dental composition comprising cement and a nonaqueous liquid, wherein the cement comprises: a first domain comprising alite; a second domain comprising belite; and a matrix located between domains of at least one type selected from the group consisting of the first domain and the second domain, and comprising silicon (Si) atom-doped tricalcium aluminate (3CaO·Al2O3). A dental hydraulic composition according to the present invention is an ointment-type composition having a single composition, and is convenient to use and exhibits an aesthetic impression, high curing property, and high biocompatibility.
Disclosed is an orthodontic composite, comprising: an orthodontic member which has a tube shape, a hollow polygonal prism shape, a hollow truncated polygonal pyramid shape, a hollow truncated cone shape, or a funnel shape; and an orthodontic wire that is inserted into the hollow portion of the orthodontic member, wherein the orthodontic member includes a water-soluble or biodegradable material. Thereby, the orthodontic composite of the present invention making it simple to perform orthodontic treatment by attaching the orthodontic composite.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08L 39/06 - Homopolymères ou copolymères des N-vinylpyrrolidones
Disclosed is an orthodontic member, having a tube shape, a hollow polygonal prism shape, a hollow truncated polygonal pyramid shape, a hollow truncated cone shape, or a funnel shape, and including a water-soluble or biodegradable material, wherein the orthodontic member into which a wire is inserted is attached to the teeth, thereby making it simple to perform orthodontic treatment.
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
Adhesives for dentistry and dental technical purposes; Fissure sealant for dental and dental technical purposes; Rubber for dental purposes; Precious metals and precious metal alloys for dentistry use; Sealing agents for dental purposes; Base metals and alloys for dentistry use; Embedding materials for dental purposes; Shaped metals for dentistry; Dental ceramics,Dental cements; Dental amalgams; Dental abrasives; Dental mastics; Materials for making dental impressions; Orthodontic alginate for dental impressions; Dental impression materials; Bonding and primer materials for dental purposes; Materials for dental fillings and for stopping purposes; Materials for stopping teeth; Materials for tooth restoration.
The present invention relates to a dental cement composition comprising: a polyacrylic acid-based copolymer prepared by copolymerizing an itaconic acid-based monomer and an acrylic acid-based monomer; and an inorganic filler. The dental cement composition of the present invention exhibits remarkably excellent mechanical properties after curing by comprising a polyacrylic acid-itaconic acid copolymer having a controlled molecular weight.
The present invention relates to an orthodontic composite comprising: an orthodontic member which is tube-type, hollow polygonal pillar-type, hollow polygonal truncated type, hollow truncated cone-type or funnel-type; and an orthodontic wire in the hollow of the orthodontic member, wherein the orthodontic member comprises a water-soluble or biodegradable material. Therefore, the orthodontic composite of the present invention can be conveniently attached to the teeth, thereby enabling an orthodontic procedure.
The present invention relates to an orthodontic member having a tubular shape, a hollow polygonal column shape, a hollow polygonal conical shape, a hollow circular conical shape or a funnel shape, wherein the orthodontic member comprises a water-soluble or biodegradable substance. Accordingly, an orthodontic procedure can be carried out conveniently by inserting a wire into the orthodontic member of the present invention and bonding same to a tooth.
A61C 7/16 - BracketsFixation des brackets aux dents spécialement conçus pour être scellés aux dents
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
The present invention relates to a glass powder composition containing: an inorganic filler comprising SiO2; CaO; NH4H2PO4, wherein the weight ratio of CaO and NH4H2PO4 is 10:0.1 to 10:10. The glass powder composition for bioactive glass-ionomer cement, of the present invention, cannot generate bisphenol A, which is an endocrine disruptor, during a preparation process. In addition, the glass powder composition for bioactive glass-ionomer cement, of the present invention, can emit Ca2+, PO43- and Si4+ ions so as to form a calcium phosphate layer, thereby forming hydroxylcarbonate apatite (HCP) crystals similar to bone. Furthermore, excellent mechanical properties are implemented and hardening time can be reduced through the preparation of the glass-ionomer cement comprising glass powder for bioactive glass-ionomer cement.
C04B 35/14 - 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 de silice
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 35/622 - Procédés de mise en formeTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques
C04B 24/40 - Composés contenant du silicium, du titane ou du zirconium
The present invention relates to a dental impression material composition including: an organopolysiloxane; a filler; a pigment; and a cross linking agent. The dental impression material composition of the present invention can improve scanning efficiency for a dental impression material including a modified pigment on the surface thereof, and enables a precise impression to be produced by increasing the tear strength and the tensile strength of the dental impression material.
The present invention relates to a hollow column-shaped dental composite blank having a hollow inside and being produced using a blank composition comprising: at least one selected between a monomer having an unsaturated double bond and an oligomer having an unsaturated double bond; a filler; and a polymerization initiator. The dental composite blank according to the present invention has uniform and excellent physical properties regardless of the position thereof and has no crack, and multiple indirect restorations can be produced using the one dental composite blank.
A61K 6/08 - Emploi de résines naturelles ou synthétiques
A61K 6/027 - Emploi d'éléments non métalliques ou de leurs composés, p.ex. de carbone
A61L 27/44 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent comportant une matrice macromoléculaire
A61C 13/00 - Prothèses dentairesLeurs procédés de fabrication
A61C 13/08 - Dents artificiellesFabrication de dents artificielles
23.
DENTAL IMPRESSION MATERIAL COMPOSITION WITH IMPROVED MECHANICAL PROPERTY
The present invention relates to a dental impression material composition and provides a high-strength dental impression material composition, the composition comprising organopolysiloxane, an organic-inorganic hybrid composite, a filler, a hardening agent, a hardening retardant, a cross-linking agent and a surfactant, wherein the organic-inorganic hybrid composite has a structure in which organopolysiloxane including a vinyl group is graft-polymerized onto nano-sized fumed silica dispersed in polyvinylsiloxane, and the organic-inorganic hybrid composite is contained in an amount of 5 % by weight to 50 % by weight on the basis of the total weight of the impression material composition whereby the composition solves the agglomeration phenomenon of a filler and overcomes the problem of degradation of fluidity due to increase of viscosity.
The present invention relates to a dental impression material composition, and provides a dental impression material composition having improved mechanical properties and containing organopolysiloxane, a hardener, a hardening retarder, a filler, a cross-linking agent, and a surfactant, wherein the filler is of a mixed type including a spherical filler and an irregular-shaped filler.
The present invention relates to an extract having the activity of preventing and treating oral disease, wherein the extract is isolated from natural substances. The natural extract is characterized in that is shows growth inhibition activity of 50% or more and reactive oxygen species inhibition activity of 50% or more with respect to Streptococcus mutans.
The present invention relates to a dental complex composition, and provides a dental complex composition which includes a crystallized glass-ceramic, a monomer and/or oligomer including unsaturated double bonds, a polymerization initiator for initiating polymerization, and a nano size pillar.
The present invention relates to a dental composite resin block, and particularly, to a dental composite resin block which is characterized in that it enables the preparation of large blocks for indirect restorations and enables the preparation of a plurality of restorations through a single process, and in that it has the shape of a disk, the radius-to-height ratio of which is five or less.
The present invention relates to a dental cement composition comprising a monomer, an initiator and an inorganic filler. The present invention provides a dental cement composition having excellent antibacterial activity, wherein at least a part of the inorganic filler has a particle size of 0.005-20 micrometers and surface-treated with a silane-based compound containing a quaternary ammonium group as an antibacterial component, and the content of a surface treating agent containing the antibacterial component is less than 5 wt% on the basis of the total weight of the composition.
Provided is a dental restorative material composition comprising methylmetacrylate (MMA) monomers and a catalytic amount of photopolymerization initiator for initiating polymerization. The dental restorative material composition has a layered crystal structure and comprises a layered silicate nanocomposite, wherein the affinity with the MMA monomer is improved since hydrophobic organic compounds mimicking the structure of MMA are linked between the layers and a PMMA-silicate composite is formed by the photopolymerization as the MMA monomers are intercalated between the layers.
Disclosed is a dental composition, comprising unsaturated double bond-containing monomers and/or oligomers, a catalytic amount of polymerization initiator to initiate polymerization, and a filler, wherein the dental composition comprises an organic nanotube containing an antibacterial or anticariogenic material to inhibit or prevent tooth decay. The dental composition comprises an organic nanotube containing an antibacterial or anticariogenic material, thus uniformly and continuously exhibiting anticariogenic and antibacterial activities, while avoiding deterioration in physical properties required for the dental material.
