Provided is a curable composition containing a polymerizable monomer (A), an organic-inorganic composite filler (B), and a polymerization initiator (C), wherein the organic-inorganic composite filler (B) includes an organic resin matrix (b1) and a spherical inorganic filler (b2) having an average primary particle size of 230-1000 nm, 90% or more of the number of individual particles constituting the spherical inorganic filler (b2) are present in a range of 5% greater or less than the average primary particle size, and the curable composition satisfies the following formulas (1) and (2):
nP<nF.sub.b2  (formula 1)
and nM.sub.b1<nF.sub.b2  (formula 2) In the formulas, nP represents the refractive index of the polymer of the polymerizable monomer (A) at 25° C., nF.sub.b2 represents the refractive index of the spherical inorganic filler (b2) at 25° C., and nM.sub.b1 represents the refractive index of the organic resin matrix (b1) at 25° C.

To provides a polymerizable composition having high storage stability and high color stability. To provide a two-paste type dental polymerizable composition of the present invention is a two-paste type dental polymerizable composition comprising a first paste containing (A) at least one kind of polemerizable monomer, an (B) organic peroxide as a chemical polymerization initiator, and a (C) basic filler, and a second paste containing (A) at least one kind of polemerizable monomer, a (C) basic filler and an (D) aromatic amine compound as a chemical polymerization accelerator, wherein the second paste contains 30 to 80 parts by weight of the (C) basic filler based on 100 parts by weight of the total amount of the second paste.

To provides a polymerizable composition having high storage stability and high color stability. To provide a two-paste type dental polymerizable composition of the present invention is a two-paste type dental polymerizable composition comprising a first paste containing (A) at least one kind of polemerizable monomer, an (B) organic peroxide as a chemical polymerization initiator, and a (C) basic filler, and a second paste containing (A) at least one kind of polemerizable monomer, a (C) basic filler and an (D) aromatic amine compound as a chemical polymerization accelerator, wherein the second paste contains 30 to 80 parts by weight of the (C) basic filler based on 100 parts by weight of the total amount of the second paste.

A three-dimensional printed dental device formed from rapid prototyping with printable polymerizable materials, the dental device comprising a polymeric composition, wherein the polymeric composition, after curing, has at least one property of flexural strength, flexural modulus, fracture toughness, and work of fracture that is at least 20% greater in measured value at 37° C. in comparison to measured value at 23° C.

A three-dimensional printed dental device formed from rapid prototyping with printable polymerizable materials, the dental device comprising a polymeric composition, wherein the polymeric composition, after curing, has at least one property of flexural strength, flexural modulus, fracture toughness, and work of fracture that is at least 20% greater in measured value at 37° C. in comparison to measured value at 23° C.

The present invention relates to a capsule for use in dispensing dental composite. The capsule includes a hollow body having a wall defining an interior space of the body. The body includes a proximal end and a distal end having a dispensing orifice. The wall comprises a polymeric material, and a time-temperature indicating material and/or a temperature indicating material. The capsule includes one or more composite resins positioned in the interior space of the body.

The present invention relates to a capsule for use in dispensing dental composite. The capsule includes a hollow body having a wall defining an interior space of the body. The body includes a proximal end and a distal end having a dispensing orifice. The wall comprises a polymeric material, and a time-temperature indicating material and/or a temperature indicating material. The capsule includes one or more composite resins positioned in the interior space of the body.

Disclosed herein are composite materials which may be used as biomedical materials or constructs. The disclosed biomedical materials or constructs may be multiphasic and typically provide a surface for cell growth. The disclosed biomedical materials and constructs typically comprise conjugable and/or adhesive chemical moieties, such as hydroxylated aromatic moieties, which facilitate integration of the components of the biomedical materials and constructs. Suitable hydroxylated aromatic moieties may include dihydroxybenzene (DHB) moieties, such as 1,2-DHB moeities, and derivatives thereof.

Disclosed herein are composite materials which may be used as biomedical materials or constructs. The disclosed biomedical materials or constructs may be multiphasic and typically provide a surface for cell growth. The disclosed biomedical materials and constructs typically comprise conjugable and/or adhesive chemical moieties, such as hydroxylated aromatic moieties, which facilitate integration of the components of the biomedical materials and constructs. Suitable hydroxylated aromatic moieties may include dihydroxybenzene (DHB) moieties, such as 1,2-DHB moeities, and derivatives thereof.

According to one aspect of the present invention, a dental curable composition includes: polymerizable monomers; inorganic particles (A1) and/or inorganic particles (A2) (excluding the inorganic particles (A2); and inorganic particles (B). The inorganic particles (A1) are surface-treated with a compound expressed by a general formula (1) and have a volume-median particle size of greater than or equal to 0.1 m and less than or equal to 0.9 m. The inorganic particles (A2) are surface-treated with a compound expressed by a general formula (2) and have a volume-median particle size of greater than or equal to 0.1 m and less than or equal to 0.9 m. The inorganic particles (B) are particles where a group expressed by a general formula (A) is present at surfaces, are particles where a group expressed by a general formula (B) is present at surfaces, and/or are particles surface-treated with a compound expressed by a general formula (3) and have an average primary particle size of greater than or equal to 5 nm and less than or equal to 50 nm. A ratio of a mass of the inorganic particles (B) to a total mass of the inorganic particles (A1), the inorganic particles (A2), and the inorganic particles (B) is greater than or equal to 0.001 and less than or equal to 0.015.