The present invention is related to a curable composition for dental impression comprising: a curable base composition and a surfactant system comprising a first surfactant, which is at least one compound having formula (I) and a fluorotelomer having formula (II), which works synergistically with the fluorotelomer so as to permit the composition to surprisingly have a lower contact angle; these results are reached with relatively low concentrations of biodegradable surfactants.

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The present invention is related to a curable composition for dental impression comprising: a curable base composition and a surfactant system comprising a first surfactant, which is at least one compound having formula (I) and a fluorotelomer having formula (II), which works synergistically with the fluorotelomer so as to permit the composition to surprisingly have a lower contact angle; these results are reached with relatively low concentrations of biodegradable surfactants.

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[Problem]

To provide a dental curable composition having good mechanical property and good storage stability before and after curing.

Solution

The dental curable composition of the present disclosure comprises (A) polymerizable monomer, (BC) polymerization initiator, (D) polymerization accelerator and (E) filler, wherein, the (BC) polymerization initiator comprises (B) photopolymerization initiator and/or (C) chemical polymerization initiator, the (B) photopolymerization initiator comprises (B1) photosensitizer and (B2) photoacid generator, the (C) chemical polymerization initiator comprises (C1) organic peroxide, the (E) filler comprises (E1) surface-treated basic filler, and the (E1) surface-treated basic filler is treated with (F1) surface treatment agent represented by the formula (1) and/or condensate thereof.

[Formula (1)]

MX.sub.n  [Chemical formula 1]

(In the formula, M is a metal atom selected from Si, Ti, Zr, and Al, X is H, OH or a hydrolyzable group, and may be the same or different from each other. In the case that M is Si, Ti or Zr, n is 4. In the case that M is Al, n is 3.)

[Problem]

To provide a dental curable composition having good mechanical property and good storage stability before and after curing.

Solution

The dental curable composition of the present disclosure comprises (A) polymerizable monomer, (BC) polymerization initiator, (D) polymerization accelerator and (E) filler, wherein, the (BC) polymerization initiator comprises (B) photopolymerization initiator and/or (C) chemical polymerization initiator, the (B) photopolymerization initiator comprises (B1) photosensitizer and (B2) photoacid generator, the (C) chemical polymerization initiator comprises (C1) organic peroxide, the (E) filler comprises (E1) surface-treated basic filler, and the (E1) surface-treated basic filler is treated with (F1) surface treatment agent represented by the formula (1) and/or condensate thereof.

[Formula (1)]

MX.sub.n  [Chemical formula 1]

(In the formula, M is a metal atom selected from Si, Ti, Zr, and Al, X is H, OH or a hydrolyzable group, and may be the same or different from each other. In the case that M is Si, Ti or Zr, n is 4. In the case that M is Al, n is 3.)

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 50.0 μm, the surface treatment agent comprising a silane coupling agent (A) represented by general formula [1], and an organosilazane (B) represented by general formula [2].

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 50.0 μm, the surface treatment agent comprising a silane coupling agent (A) represented by general formula [1], and an organosilazane (B) represented by general formula [2].

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 %.

At least one individually sealed dental composition that includes a layer of a thermoplastic film; a covering film that is a heat sealable or pressure sealable adhesive liner that covers a dental cement composition; a seal around an individual use dosage of the dental cement composition wherein the extrudable dental cement composition is extrudable through a die. The dental cement composition typically has a textured surface thereon and the at least one dry, powdered hydrophilic polymeric substance is engaged with and dispersed on the textured surface of the dental cement composition.

At least one individually sealed dental composition that includes a layer of a thermoplastic film; a covering film that is a heat sealable or pressure sealable adhesive liner that covers a dental cement composition; a seal around an individual use dosage of the dental cement composition wherein the extrudable dental cement composition is extrudable through a die. The dental cement composition typically has a textured surface thereon and the at least one dry, powdered hydrophilic polymeric substance is engaged with and dispersed on the textured surface of the dental cement composition.