To provide a dental photocurable composition having good storage stability of a matrix containing a polymerizable monomer and a polymerization initiator, etc. and excellent mechanical strength of a dental photocurable composition comprising a mixture of the matrix and a filler. The dental photocurable composition of the present disclosure comprises a matrix containing (A) polymerizable monomer, (B) photosensitizer, (C) photoacid generator and (D) photopolymerization accelerator, and (E) filler, wherein, the dental photocurable composition comprises (A1) polymerizable monomer having an acidic group as the (A) polymerizable monomer, and the dental photocurable composition comprises (D1) tertiary aliphatic amine compound having Log P of 2 or more and pKa of 10 or less as the (D) photopolymerization accelerator.

A polymerizable monomer, a filler (A), and a filler (B) are contained, the filler (A) includes an inorganic particle and a compound covering the inorganic particle, the filler (B) includes another inorganic particle and another compound covering the other inorganic particle, and the average particle size of the filler (B) is 20% to 550% of the average particle size of the filler (A).

A polymerizable monomer, a filler (A), and a filler (B) are contained, the filler (A) includes an inorganic particle and a compound covering the inorganic particle, the filler (B) includes another inorganic particle and another compound covering the other inorganic particle, and the average particle size of the filler (B) is 20% to 550% of the average particle size of the filler (A).

A composition comprising microcapsules functionalized with polymerizable functional groups on the surface of said microcapsules wherein the functional groups form covalent bonds with monomers in the continuous phase to enhance the mechanical properties of the composition.

A composition comprising microcapsules functionalized with polymerizable functional groups on the surface of said microcapsules wherein the functional groups form covalent bonds with monomers in the continuous phase to enhance the mechanical properties of the composition.

A dental composition comprising a pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a polymer matrix wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition.

A dental composition comprising a pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a polymer matrix wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition.

The present disclosure provides an inorganic dental filler including a surface treated with at least one silane. Exemplary silanes described in the present disclosure for the surface treatment of the inorganic filler include silanes of Formula I and/or Formula II: (R.sup.Si)—(CR.sup.1R.sup.2).sub.n—(NH—C(O)—O—CH.sub.2—CH.sub.2).sub.q—N(R.sup.5)—C(O)—NH—(CH.sub.2—CH.sub.2—O).sub.t—CR.sup.3R.sup.4—CH.sub.2-(A) Formula I (R.sup.Si)—(CR.sup.1R.sup.2).sub.n—NH—C(O)—O—CR.sup.3R.sup.4-(L).sub.q-CH.sub.2-(A) Formula II, wherein: R.sup.Si is a silane-containing group of the formula —Si(Y.sub.p)(R.sup.6).sub.3-p, wherein Y is a hydrolysable group, R.sup.6 is a monovalent alkyl or aryl group, and p is 1, 2, or 3. Methods of making and using the surface treated inorganic dental fillers are also disclosed.

The present invention provides a dental composition that exhibits high adhesive property for both dental restoration materials, such as porcelain, and tooth structure. The present invention relates to a one-part dental composition comprising a compound (A) represented by the following general formula (1), a monomer (B) having an acidic group, and water (C),

Y—SiR.sub.nX.sub.(3-n)  (1),

wherein Y represents a monovalent organic group having a polymerizable group, R represents a group selected from the group consisting of an alkyl group, an aryl group, and an aralkyl group, X represents a hydroxyl group or a hydrolyzable group, and n represents an integer of 1 or 2, in which the plurality of R may be the same or different, and the plurality of X may be the same or different, and the content of the water (C) 1.0 to 50 mass %.

The present invention provides a dental composition that exhibits high adhesive property for both dental restoration materials, such as porcelain, and tooth structure. The present invention relates to a one-part dental composition comprising a compound (A) represented by the following general formula (1), a monomer (B) having an acidic group, and water (C),

Y—SiR.sub.nX.sub.(3-n)  (1),

wherein Y represents a monovalent organic group having a polymerizable group, R represents a group selected from the group consisting of an alkyl group, an aryl group, and an aralkyl group, X represents a hydroxyl group or a hydrolyzable group, and n represents an integer of 1 or 2, in which the plurality of R may be the same or different, and the plurality of X may be the same or different, and the content of the water (C) 1.0 to 50 mass %.