A61C13/01

CURABLE COMPOSITION, AND RESIN COMPOSITION FOR STEREOLITHOGRAPHY PREPARED THEREFROM

To provide a curable composition that is readily modeled with low viscosity and excellent curing capability in modeling by stereolithography, and provides a cured article excellent in toughness and water resistance, and a resin composition for stereolithography prepared therefrom. To provide a resin composition for stereolithography that is favorable particularly for a dental mouthpiece and a denture base material. A curable composition containing 79.0 to 99.0% by mass of a polymerizable monomer (a), 0.1 to 10.0% by mass of a photopolymerization initiator (b), and 0.01 to 20.0% by mass of a compound (c) represented by the following general formula (I):

##STR00001##

CURABLE COMPOSITION, AND RESIN COMPOSITION FOR STEREOLITHOGRAPHY PREPARED THEREFROM

To provide a curable composition that is readily modeled with low viscosity and excellent curing capability in modeling by stereolithography, and provides a cured article excellent in toughness and water resistance, and a resin composition for stereolithography prepared therefrom. To provide a resin composition for stereolithography that is favorable particularly for a dental mouthpiece and a denture base material. A curable composition containing 79.0 to 99.0% by mass of a polymerizable monomer (a), 0.1 to 10.0% by mass of a photopolymerization initiator (b), and 0.01 to 20.0% by mass of a compound (c) represented by the following general formula (I):

##STR00001##

Method for producing a dental prosthesis
11273019 · 2022-03-15 · ·

The invention relates to a method for producing a dental prosthesis from a prosthesis base and a plurality of prosthesis teeth, characterized by the following chronological steps: providing the prosthesis teeth and the prosthesis base, wherein the prosthesis base comprises a plurality of tooth sockets for locating the basal surfaces of the prosthesis teeth; applying a plastically deformable connecting means onto the tooth sockets and/or basally onto the prosthesis teeth; locating the prosthesis teeth into the tooth sockets of the prosthesis base and in this situation connecting with the aid of connecting means to the prosthesis base in such a way that the prosthesis teeth, after locating in the tooth sockets, are movable in relation to the prosthesis base, wherein the position and the alignment of the prosthesis teeth to the prosthesis base remain retained if no external force effect is exerted onto the prosthesis teeth; changing the position and/or the alignment of at least one prosthesis tooth in the prosthesis base; and hardening the plastically deformable connecting means, and securely connecting the prosthesis teeth in this situation to the prosthesis base, wherein the position and the alignment of the prosthesis teeth in relation to the prosthesis base are retained. The invention also relates to a dental prosthesis produced by such a method, and a set for carrying out such a method.

Method for producing a dental prosthesis
11273019 · 2022-03-15 · ·

The invention relates to a method for producing a dental prosthesis from a prosthesis base and a plurality of prosthesis teeth, characterized by the following chronological steps: providing the prosthesis teeth and the prosthesis base, wherein the prosthesis base comprises a plurality of tooth sockets for locating the basal surfaces of the prosthesis teeth; applying a plastically deformable connecting means onto the tooth sockets and/or basally onto the prosthesis teeth; locating the prosthesis teeth into the tooth sockets of the prosthesis base and in this situation connecting with the aid of connecting means to the prosthesis base in such a way that the prosthesis teeth, after locating in the tooth sockets, are movable in relation to the prosthesis base, wherein the position and the alignment of the prosthesis teeth to the prosthesis base remain retained if no external force effect is exerted onto the prosthesis teeth; changing the position and/or the alignment of at least one prosthesis tooth in the prosthesis base; and hardening the plastically deformable connecting means, and securely connecting the prosthesis teeth in this situation to the prosthesis base, wherein the position and the alignment of the prosthesis teeth in relation to the prosthesis base are retained. The invention also relates to a dental prosthesis produced by such a method, and a set for carrying out such a method.

ORAL DEVICE, MANUFACTURING APPARATUS AND METHODS OF MAKING THE SAME

A custom oral device is provided that fits on the maxillary or mandibular arch of a wearer. The oral device comprises a tray that corresponds with the shape and size of a wearer's oral anatomy. A soft liner is disposed within an occlusal channel of the tray having an upper surface that comprises an impression having features that correspond to at least a portion of the wearer's dentition and in which the wearer's teeth align. An apparatus and a method for making the custom oral device are provided.

ORAL DEVICE, MANUFACTURING APPARATUS AND METHODS OF MAKING THE SAME

A custom oral device is provided that fits on the maxillary or mandibular arch of a wearer. The oral device comprises a tray that corresponds with the shape and size of a wearer's oral anatomy. A soft liner is disposed within an occlusal channel of the tray having an upper surface that comprises an impression having features that correspond to at least a portion of the wearer's dentition and in which the wearer's teeth align. An apparatus and a method for making the custom oral device are provided.

CURABLE COMPOSITION FOR DENTURE BASE

A curable composition for a denture base is provided which comprises a paste-like composition containing (A) (meth)acrylic monomers, (B) a monomer-absorbing porous organic cross-linked polymer which can absorb the (A) (meth)acrylic monomers, and (C) a polymerization initiator selected from a photopolymerization initiator and a thermal polymerization initiator, wherein the content of (B) the monomer-absorbing porous organic cross-linked polymer is 20-80 parts by mass per 100 parts by mass of the (A) (meth)acrylic monomers, and the absorption amount: R.sub.Ab={(g−A)/(g−B)}, measured in accordance with JIS K5101-13-1:2004, and defined by the amount of (A) (meth)acrylic monomers: g−A (unit: g) absorbed per unit amount of (B) the monomer-absorbing porous organic cross-linked polymer: g−B (unit: g) is greater than or equal to 1.5.

CURABLE COMPOSITION FOR DENTURE BASE

A curable composition for a denture base is provided which comprises a paste-like composition containing (A) (meth)acrylic monomers, (B) a monomer-absorbing porous organic cross-linked polymer which can absorb the (A) (meth)acrylic monomers, and (C) a polymerization initiator selected from a photopolymerization initiator and a thermal polymerization initiator, wherein the content of (B) the monomer-absorbing porous organic cross-linked polymer is 20-80 parts by mass per 100 parts by mass of the (A) (meth)acrylic monomers, and the absorption amount: R.sub.Ab={(g−A)/(g−B)}, measured in accordance with JIS K5101-13-1:2004, and defined by the amount of (A) (meth)acrylic monomers: g−A (unit: g) absorbed per unit amount of (B) the monomer-absorbing porous organic cross-linked polymer: g−B (unit: g) is greater than or equal to 1.5.

SPLIT DENTURE
20220110730 · 2022-04-14 · ·

The invention relates to a method for configurating a split denture. A digital 3D model of the denture comprising a plurality of teeth is provided. The digital 3D model of the denture is split into a digital 3D model of a base part and a digital 3D model of a teeth part. The base part comprises a first artificial gingiva portion. Further, the base part is configured to support the teeth part. The teeth part comprises the plurality of teeth of the denture and a second gingiva portion. The teeth part is configured to be mounted on the base part. The digital 3D model of the split denture is provided for generating at least one of the base part and the teeth part.

ARRAY DEVICE, ARRAY METHOD, AND MANUFACTURING METHOD OF ARRAY DEVICE
20220096217 · 2022-03-31 ·

The array device of an aspect of the present invention is an array device to be attached to a denture plate and one or more artificial teeth to thereby array the one or more artificial teeth on the denture plate, the array device comprising: a body having one or mere recesses recessed in conformity with crown shapes of the one or more artificial teeth, wherein the body includes one or more positioning portions for positioning the one or more artificial teeth on the denture plate.