[Problem]

To provide a dental adhesive composition having excellent storage stability and adhesive strength.

[Solution]

To provide a dental adhesive composition, comprising (A) polymerizable monomer, (D) photopolymerization accelerator, and (F) volatile organic solvent, wherein, the dental adhesive composition comprises (A-1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental adhesive composition comprises (D-1) aliphatic tertiary amine compound represented by formula (1) as the (D) photopolymerization accelerator.

##STR00001##

(wherein R.sub.1 represents a substituent consisting of three or more carbons having an electron-withdrawing group at α-carbon and/or β-carbon of an amine starting from N, R.sub.2 represents a substituent consisting of three or more carbons which may have an electron-withdrawing group, R.sub.3 represents a substituent consisting of one or more carbons which may have an electron-withdrawing group, and α-carbon of N in the formula (1) is not an electron-withdrawing group.)

[Problem]

To provide a dental adhesive composition having excellent storage stability and adhesive strength.

[Solution]

To provide a dental adhesive composition, comprising (A) polymerizable monomer, (D) photopolymerization accelerator, and (F) volatile organic solvent, wherein, the dental adhesive composition comprises (A-1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental adhesive composition comprises (D-1) aliphatic tertiary amine compound represented by formula (1) as the (D) photopolymerization accelerator.

##STR00001##

(wherein R.sub.1 represents a substituent consisting of three or more carbons having an electron-withdrawing group at α-carbon and/or β-carbon of an amine starting from N, R.sub.2 represents a substituent consisting of three or more carbons which may have an electron-withdrawing group, R.sub.3 represents a substituent consisting of one or more carbons which may have an electron-withdrawing group, and α-carbon of N in the formula (1) is not an electron-withdrawing group.)

[Problem]

To provide a photocurable composition having a high curing depth.

[Solution]

To provide a photocurable composition of the present disclosure comprises (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, and (D) photopolymerization accelerator, wherein, the photocurable composition comprises (D-1) amine compound represented by formula (1) as the (D) photopolymerization accelerator.

##STR00001##

(In the formula (1), R.sub.1 is a substituent represented by formula (2), and R.sub.2 and R.sub.3 are substituents represented by formula (2) or substituents selected from —OH group, —O— group, —S— group, —NH—C(O)—NH— group, —C(O)—O— group, —OC(O)— group, —OC(O)—NH— group, —NH—C(O)—O— group, halogen, an organic group which may have an alkoxysilyl group, an aromatic ring which may have a substituent and an alicyclic heterocycle which may have a substituent. Further, R.sub.2 and R.sub.3 may be H when at least one or more R.sub.4s of the formula (2) are an aromatic ring, and R.sub.3 may be H when R.sub.2 is a substituent represented by the formula (2).)

To provide a dental photocurable composition which can exhibit excellent mechanical characteristics even after returning from a low temperature to room temperature.

To provide a dental photocurable composition, comprising (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator and the (C) photoacid generator may include only (C-1) iodonium salt-based compound of an anion having log S of −4 or less.

[Problem]

To provide a dental photocurable composition having sufficient mechanical property and being excellent in color tone selectivity because of having a small color difference between before curing and after curing.

[Solution]

To provide a dental photocurable composition, comprising (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator, (D) photopolymerization accelerator and (E) filler, wherein, the dental photocurable composition comprises (B-1) α-diketone compound as the (B) photosensitizer, and the dental photocurable composition comprises, with respect to 100 parts by mass of the (A) polymerizable monomer, 0.15 parts by mass or less of the (B-1) α-diketone compound, 0.5 parts by mass or more of the (C) photoacid generator, and 100 parts by mass or more of the (E) filler.

A biomimetic composite material includes a bioactive cement material, an autologous dentin matrix, and an inorganic nano-reinforcement material. A dental implant includes a body including a biomimetic composite material, wherein the biomimetic composite material includes a bioactive cement material, an autologous dentin matrix, and an inorganic nano-reinforcement material.

A biomimetic composite material includes a bioactive cement material, an autologous dentin matrix, and an inorganic nano-reinforcement material. A dental implant includes a body including a biomimetic composite material, wherein the biomimetic composite material includes a bioactive cement material, an autologous dentin matrix, and an inorganic nano-reinforcement material.

The invention relates to the application of photon energy to energize dental materials to enhance their physical handling characteristics, efficacy, ability to be delivered, reactivity, polymerization, and/or post-cure mechanical properties, among other attributes.

The invention relates to the application of photon energy to energize dental materials to enhance their physical handling characteristics, efficacy, ability to be delivered, reactivity, polymerization, and/or post-cure mechanical properties, among other attributes.

A dental glass powder includes 15 to 40% by mass of zinc oxide (ZnO), 20 to 55% by mass of silicon oxide (SiO.sub.2), 6 to 20% by mass of aluminum oxide (Al.sub.2O.sub.3), 1 to 13% by mass of calcium oxide (CaO), and 1 to 19% by mass of fluorine (F).