PROBLEM TO BE SOLVED: To improve the adhesive strength of a dental adhesive composition composed of a polymerizable monomer containing an acidic group and water as main components and having a function for promoting the decalcification of the enamel and the impregnation to the dentin.SOLUTION: The adhesive composition for dental use contains (A) a polymerizable monomer containing a polymerizable monomer having an acidic group, (B) a porous organic filler, preferably an organic filler such as a crosslinked polymethylmethacrylate having an average particle diameter of 1-50 &mum, an average pore diameter of 1-100 nm and a specific surface area of 30-500 m2/g, (C) water and (D) a polymerization initiator.COPYRIGHT: (C)2009,JPO&INPIT【課題】 歯質の脱灰や象牙質への浸透促進機能を有する、酸性基含有重合性単量体と水を主成分として含む歯科用接着性組成物において、その接着強度をさらに向上させること。【解決手段】 (A)酸性基含有重合性単量体を含む重合性単量体、(B)多孔質有機フィラー、好適には、平均粒子径1~50μm、平均細孔径1~100nm、比表面積30~500m2/gの性状を有する、架橋ポリメチルメタクリレート等の有機フィラー、(C)水、および(D)重合開始剤を含有してなることを特徴とする歯科用接着性組成物。【選択図】 なし
