Abstract: The present invention provides a resin composition for stereolithography that is easily shapable with good shape precision while reducing sedimentation of inorganic particles during storage, and a obtained three-dimensional shaped article thereby excels in mechanical characteristics such as flexural strength and flexural modulus, in addition to having a desirable shade and good shade stability. The present invention relates to a resin composition for stereolithography comprising a polymerizable monomer (a), a photopolymerization initiator (b), an inorganic particle (c) having an average particle diameter of 5 to 500 nm, and a hindered phenolic compound (d), wherein the content of the photopolymerization initiator (b) is 0.1 to 10 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), the content of the inorganic particle (c) is 50 to 400 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), and the content of the hindered phenolic compound (d) is 0.

Abstract: The present invention provides a dental adhesive material kit that exhibits high adhesive property to tooth structure and dental prosthesis through photopolymerization while maintaining good ease of handling with the paste properties that undergo little change during long storage. The present invention relates to a dental adhesive material kit comprising: an aqueous adhesive dental composition (X) comprising a radical polymerizable monomer (a) containing an acidic group, a polymerization accelerator (b), water (c), and a radical polymerizable monomer (d) containing no acidic group; and a curable dental composition (Y) comprising a hydrophilic radical polymerizable monomer (d-1) containing no acidic group, a hydrophobic radical polymerizable monomer (d-2) containing no acidic group, a chemical polymerization initiator (e), a photopolymerization initiator (f), and a filler (g), the filler (g) being a filler treated with a surface treatment agent, and having an average particle diameter of 0.01 to 50.

Abstract: The present invention provides a dental cement showing excellent storage stability, undergoing little change in paste properties during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a multi-part dental cement comprising: a first paste comprising an acid group-containing (meth)acrylic polymerizable monomer (a), a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, an oxidizing agent (c-1) of a chemical polymerization initiator, and a filler (d); and a second paste comprising a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, a reducing agent (c-2) of a chemical polymerization initiator, and a filler (e), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.

Abstract: The present invention provides a self-adhesive dental composite resin maintaining mechanical strength, showing excellent storage stability, undergoing little change in transparency and properties of the paste during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a self-adhesive dental composite resin comprising: an acid group-containing (meth)acrylic polymerizable monomer (a); a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group; a photopolymerization initiator (c); and a filler (d), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.0 ?m, the surface treatment agent comprises a silane coupling agent (A) represented by the following general formula (1): CH2?C(R1)—COO—(CH2)p—Si—R2qR3(3-q)??(1), and an organosilazane (B) represented by the following general formula (2): R4R5R6—Si—NH—Si—R7R8R9??(2).

Abstract: The present invention provides a dental adhesive material kit that exhibits high adhesive property to tooth structure and dental prosthesis through photopolymerization while maintaining good ease of handling with the paste properties that undergo little change during long storage. The present invention relates to a dental adhesive material kit comprising: an aqueous adhesive dental composition (X) comprising a radical polymerizable monomer (a) containing an acidic group, a polymerization accelerator (b), water (c), and a radical polymerizable monomer (d) containing no acidic group; and a curable dental composition (Y) comprising a hydrophilic radical polymerizable monomer (d-1) containing no acidic group, a hydrophobic radical polymerizable monomer (d-2) containing no acidic group, a chemical polymerization initiator (e), a photopolymerization initiator (f), and a filler (g), the filler (g) being a filler treated with a surface treatment agent, and having an average particle diameter of 0.01 to 50.

Abstract: The present invention provides a self-adhesive dental composite resin maintaining mechanical strength, showing excellent storage stability, undergoing little change in transparency and properties of the paste during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a self-adhesive dental composite resin comprising: an acid group-containing (meth)acrylic polymerizable monomer (a); a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group; a photopolymerization initiator (c); and a filler (d), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.0 ?m, the surface treatment agent comprises a silane coupling agent (A) represented by the following general formula (1): CH2?C(R1)—COO—(CH2)p—Si—R2qR3(3-q)??(1), and an organosilazane (B) represented by the following general formula (2): R4R5R6—Si—NH—Si—R7R8R9??(2).

Abstract: The present invention provides a dentinal tubule occlusion material excellent in terms of initial degree of dentinal tubule occlusion, resistance of dentinal tubule occlusion to acids, handling properties, and storage stability. The present invention relates to an one-pack type dentinal tubule occlusion material comprising fluorapatite particles (A) having an average particle diameter of 0.6 to 10 ?m, inorganic particles (B) having an average particle diameter of 0.6 to 10 ?m and reactive with water to form apatite, and a non-aqueous dispersant (C).

Abstract: The present invention provides a dental cement showing excellent storage stability, undergoing little change in paste properties during long-term storage, and having a small solidification risk during long-term storage. The present invention relates to a multi-part dental cement comprising: a first paste comprising an acid group-containing (meth)acrylic polymerizable monomer (a), a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, an oxidizing agent (c-1) of a chemical polymerization initiator, and a filler (d); and a second paste comprising a polyfunctional (meth)acrylic polymerizable monomer (b) containing no acid group, a reducing agent (c-2) of a chemical polymerization initiator, and a filler (e), wherein the filler (d) is treated with a surface treatment agent and has an average particle diameter of 0.01 to 50.

Abstract: The present invention relates to providing a dental curable composition that, when cured, has high metal ion release ability and highly durable physical properties. The dental curable composition of the present invention includes: a sugar compound having an —XM group, where —X is an acid anion group and M is a metal cation; and a curable component.

Abstract: A dentinal tubule sealant including apatite particles (A) having an average particle diameter of 500 nm or less, a filler (B) having an average particle diameter of 1 to 10 ?m, and a dispersant (C), wherein the weight ratio (A/B) of the apatite particles (A) to the filler (B) is 0.05 to 15, the dentinal tubule sealant contains 15 to 95 parts by weight of the dispersant (C) relative to 100 parts by weight in total of the apatite particles (A) and the filler (B), and the total amount of the apatite particles (A), the filler (B), and the dispersant (C) is 85 parts by weight or more relative to 100 parts by weight of the dentinal tubule sealant. There is thereby provided a dentinal tubule sealant excelling in dentinal tubule sealability immediately after treatment, durability of dentinal tubule sealing, ease of operation, and storage stability.

Abstract: The present invention provides a curable calcium phosphate composition for biological hard tissue repair that yields a cured product excellent in durability in a wet environment such as in a body or an oral cavity. The present invention relates to a curable calcium phosphate composition for biological hard tissue repair, including tetracalcium phosphate particles (A), calcium hydrogen phosphate particles (B), calcium carbonate particles (C), and water (D), the curable calcium phosphate composition including 5 to 75 parts by weight of the tetracalcium phosphate particles (A), 10 to 70 parts by weight of the calcium hydrogen phosphate particles (B), and 2 to 50 parts by weight of the calcium carbonate particles (C) per 100 parts by weight of the total of the tetracalcium phosphate particles (A), the calcium hydrogen phosphate particles (B), and the calcium carbonate particles (C).

Abstract: The present invention provides a dentinal tubule occlusion material excellent in terms of initial degree of dentinal tubule occlusion, resistance of dentinal tubule occlusion to acids, handling properties, and storage stability. The present invention relates to an one-pack type dentinal tubule occlusion material comprising fluorapatite particles (A) having an average particle diameter of 0.6 to 10 ?m, inorganic particles (B) having an average particle diameter of 0.6 to 10 ?m and reactive with water to form apatite, and a non-aqueous dispersant (C).

Abstract: The present invention provides a dentinal tubule sealing material excellent in durability of dentinal tubule sealing performance (acid resistance) and also in storage stability. The present invention relates to a dentinal tubule sealing material including tetracalcium phosphate particles (A), calcium hydrogen phosphate particles (B), calcium carbonate particles (C), and a non-aqueous dispersant (D), the dentinal tubule sealing material including 5 to 75 parts by weight of the tetracalcium phosphate particles (A), 10 to 70 parts by weight of the calcium hydrogen phosphate particles (B), and 2 to 50 parts by weight of the calcium carbonate particles (C) per 100 parts by weight of the total of the tetracalcium phosphate particles (A), the calcium hydrogen phosphate particles (B), and the calcium carbonate particles (C).

Abstract: A dental curable composition containing fluoroaluminosilicate glass particles (A), basic calcium phosphate particles (B1), acidic calcium phosphate particles (B2), a polyalkenic acid (C), tartaric acid (D), and water (E), wherein the dental curable composition contains 70 to 99 parts by weight of (A), 1 to 30 parts by weight in total of (B1) and (B2), 10 to 40 parts by weight of (C), 0.3 to 10 parts by weight of (D), and 10 to 90 parts by weight of (E) each relative to 100 parts by weight in total of (A), (B1), and (B2), and a Ca/P ratio of a sum of (B1) and (B2) is from 1.10 to 1.95. Accordingly, provided is a dental curable composition that is high in mechanical strength, particularly compressive strength, and excellent in remineralization capability.

Abstract: A method for inhibiting dentinal hypersensitivity by applying a dentinal hypersensitivity inhibitor on a dentin surface. The dentinal hypersensitivity inhibitor contains at least one tetracalcium phosphate particle, an alkali metal salt of phosphoric acid, and at least one acidic calcium phosphate particle. The tetracalcium phosphate particle has an average particle diameter of 0.5 to 40 ?m. The dentinal hypersensitivity inhibitor contains a blended amount of the tetracalcium phosphate particle of 5 to 55 parts by weight relative to 100 parts by weight of a whole amount of the dentinal hypersensitivity inhibitor and a blended amount of the alkali metal salt of phosphoric acid of 1 to 100 parts by weight relative to 100 parts by weight of the tetracalcium phosphate particle.

Abstract: A dentinal tubule sealant including apatite particles (A) having an average particle diameter of 500 nm or less, a filler (B) having an average particle diameter of 1 to 10 ?m, and a dispersant (C), wherein the weight ratio (A/B) of the apatite particles (A) to the filler (B) is 0.05 to 15, the dentinal tubule sealant contains 15 to 95 parts by weight of the dispersant (C) relative to 100 parts by weight in total of the apatite particles (A) and the filler (B), and the total amount of the apatite particles (A), the filler (B), and the dispersant (C) is 85 parts by weight or more relative to 100 parts by weight of the dentinal tubule sealant. There is thereby provided a dentinal tubule sealant excelling in dentinal tubule sealability immediately after treatment, durability of dentinal tubule sealing, ease of operation, and storage stability.

Abstract: The present invention provides a dentinal tubule sealing material excellent in durability of dentinal tubule sealing performance (acid resistance) and also in storage stability. The present invention relates to a dentinal tubule sealing material including tetracalcium phosphate particles (A), calcium hydrogen phosphate particles (B), calcium carbonate particles (C), and a non-aqueous dispersant (D), the dentinal tubule sealing material including 5 to 75 parts by weight of the tetracalcium phosphate particles (A), 10 to 70 parts by weight of the calcium hydrogen phosphate particles (B), and 2 to 50 parts by weight of the calcium carbonate particles (C) per 100 parts by weight of the total of the tetracalcium phosphate particles (A), the calcium hydrogen phosphate particles (B), and the calcium carbonate particles (C).

Abstract: The present invention provides a curable calcium phosphate composition for biological hard tissue repair that yields a cured product excellent in durability in a wet environment such as in a body or an oral cavity. The present invention relates to a curable calcium phosphate composition for biological hard tissue repair, including tetracalcium phosphate particles (A), calcium hydrogen phosphate particles (B), calcium carbonate particles (C), and water (D), the curable calcium phosphate composition including 5 to 75 parts by weight of the tetracalcium phosphate particles (A), 10 to 70 parts by weight of the calcium hydrogen phosphate particles (B), and 2 to 50 parts by weight of the calcium carbonate particles (C) per 100 parts by weight of the total of the tetracalcium phosphate particles (A), the calcium hydrogen phosphate particles (B), and the calcium carbonate particles (C).

Abstract: The present invention relates to providing a dental curable composition that, when cured, has high metal ion release ability and highly durable physical properties. The dental curable composition of the present invention includes: a sugar compound having an —XM group, where —X is an acid anion group and M is a metal cation; and a curable component.

Abstract: A dentinal tubule sealant comprises poorly-soluble calcium phosphate particles (A), a phosphorus-free calcium compound (B), and water (C), wherein the particles (A) are at least one member selected from the group consisting of dicalcium phosphate anhydrous [CaHPO4] particles, ?-tricalcium phosphate [?-Ca3(PO4)2] particles, ?-tricalcium phosphate [?-Ca3(PO4)2] particles, amorphous calcium phosphate [Ca3(PO4)2.nH2O] particles, calcium pyrophosphate [Ca2P2O7] particles, calcium pyrophosphate dihydrate [Ca2P2O7.2H2O] particles, octacalcium phosphate pentahydrate [Ca8H2(PO4)6.5H2O] particles, and dicalcium phosphate dihydrate [CaHPO4.2H2O] particles, and the dentinal tubule sealant contains 30 to 76% by weight of the particles (A), 0.001 to 4% by weight of the compound (B), and 23 to 69% by weight of the water (C). Thus, there is provided a dentinal tubule sealant capable of sealing dentinal tubules of an exposed dentin and also remineralizing the surrounding dentin after the sealing.