A polymerizable compound is represented by the formula (I). Each R.sup.1 independently represents a monovalent group having from 3 to 12 carbon atoms that comprises at least one of an epoxy group, an acryl group, or a methacryl group. Each R.sup.2 independently represents H, F, Cl, Br, C.sub.1-C.sub.12 alkyl, C.sub.2-C.sub.3 carbonylalkyl, or C.sub.2-C.sub.5 carboalkoxy. Each R.sup.3 independently represents C H, F, Cl, Br, C.sub.1-C.sub.12 alkyl, C.sub.2-C.sub.3 carbonylalkyl, or C.sub.2-C.sub.5 carboalkoxy. Each n is independently 0, 1, 2, 3, or 4. Curable compositions including the polymerizable compound are also disclosed.

##STR00001##

A polymerizable compound is represented by the formula (I). Each R.sup.1 independently represents a monovalent group having from 3 to 12 carbon atoms that comprises at least one of an epoxy group, an acryl group, or a methacryl group. Each R.sup.2 independently represents H, F, Cl, Br, C.sub.1-C.sub.12 alkyl, C.sub.2-C.sub.3 carbonylalkyl, or C.sub.2-C.sub.5 carboalkoxy. Each R.sup.3 independently represents C H, F, Cl, Br, C.sub.1-C.sub.12 alkyl, C.sub.2-C.sub.3 carbonylalkyl, or C.sub.2-C.sub.5 carboalkoxy. Each n is independently 0, 1, 2, 3, or 4. Curable compositions including the polymerizable compound are also disclosed.

##STR00001##

A resin block suitable for dental cutting work may include a resin matrix (A) and spherical filler (B) whose average particle size ranges from 230 to 1000 nm. When 10 mm thick and measured with a colorimeter, the lightness (V) is less than 5.0 and the saturation (C) is less than 2.0 in a Munsell color system of colored light on a black background and a white background. When 1 mm thick, the lightness (V) is less than 5.0 and the saturation (C) is 0.05 or more on a black background, but on a white background, the lightness (V) is 6.0 or more and the saturation (C) is less than 2.0 for Munsell colored light. Resin blocks can be used for dental restoration such that dental prostheses produced from the block not using a pigment/dye are compatible with natural teeth color tone, and the color tone compatibility endures.

A resin block suitable for dental cutting work may include a resin matrix (A) and spherical filler (B) whose average particle size ranges from 230 to 1000 nm. When 10 mm thick and measured with a colorimeter, the lightness (V) is less than 5.0 and the saturation (C) is less than 2.0 in a Munsell color system of colored light on a black background and a white background. When 1 mm thick, the lightness (V) is less than 5.0 and the saturation (C) is 0.05 or more on a black background, but on a white background, the lightness (V) is 6.0 or more and the saturation (C) is less than 2.0 for Munsell colored light. Resin blocks can be used for dental restoration such that dental prostheses produced from the block not using a pigment/dye are compatible with natural teeth color tone, and the color tone compatibility endures.

Provided herein is a self-etching dental adhesive that exhibits excellent adhesiveness not only to dentin untreated by phosphoric acid etching, but to dentin treated by phosphoric acid etching. The present invention relates to a dental adhesive containing a (meth)acrylamide compound (a), an asymmetric acrylamide-methacrylic acid ester compound (b), and an acid group-containing (meth)acrylic polymerizable monomer (c). The (meth)acrylamide compound (a) is at least one selected from the group consisting of compounds represented by general formula (1), and compounds represented by general formula (2). The asymmetric acrylamide-methacrylic acid ester compound (b) is a compound represented by general formula (3). ##STR00001##
(In the formulae, the meanings of the symbols are omitted.)

Compositions are disclosed that simultaneously cleanse, etch, and identifying residual caries during dental restorative procedures, thereby increasing procedure efficiency. Also disclosed are methods describing the use of said compositions in treating subjects as part of dental procedures.

Compositions are disclosed that simultaneously cleanse, etch, and identifying residual caries during dental restorative procedures, thereby increasing procedure efficiency. Also disclosed are methods describing the use of said compositions in treating subjects as part of dental procedures.

A polyaryletherketone resin material is provided for dental use having high color tone stability in the case of exposure to visible light. The polyaryletherketone resin material for dental use includes a polyaryletherketone resin, which is a thermoplastic resin containing at least an aromatic group, an ether group (ether bond), and a ketone group (ketone bond) in its structural unit, and having a b* value of 10.0 or more in terms of colorimetric value of a 1.0 mm molded body in a CIELab color system under a black background condition.

A polyaryletherketone resin material is provided for dental use having high color tone stability in the case of exposure to visible light. The polyaryletherketone resin material for dental use includes a polyaryletherketone resin, which is a thermoplastic resin containing at least an aromatic group, an ether group (ether bond), and a ketone group (ketone bond) in its structural unit, and having a b* value of 10.0 or more in terms of colorimetric value of a 1.0 mm molded body in a CIELab color system under a black background condition.

A dental resin composite material is provided that is reduced in darkness of its color tone, and also reduced in burning and color unevenness. Specifically provided are a dental resin composite material including 100 parts by mass of a polyaryletherketone resin, 10 parts by mass to 300 parts by mass of inorganic particles, and 90 ppm or less of an impurity having an aromatic ring, a method of producing the dental resin composite material, and a polyaryletherketone resin for producing a dental resin composite material, to be used for producing the dental resin composite material.