PROBLEM TO BE SOLVED: To provide a dental filling and restoring material that has paste-like properties permitting an easy filling operation in an oral cavity while retaining very high aesthetic properties and a low shrinkage factor required to the dental filling and restoring materials.SOLUTION: The dental filling and restoring material includes (A) 100 pts.mass of a polymerizable monomer, (B) 80-1,000 pts.mass of an inorganic filler having an average particle size of 0.03-0.6 &mum, (C) 0.1-10 pts.mass of a surfactant, preferably a nonionic surfactant or an anionic surfactant, and (D) 0.01-10 pts.mass of a polymerization initiator.COPYRIGHT: (C)2008,JPO&INPIT【課題】 歯科用充填修復材に要求される極めて高い審美性と低収縮率を維持しながら、口腔内での充填操作が容易なペースト性状を有する歯科用充填修復材を提供すること。【解決手段】 (A)重合性単量体100質量部、(B)平均粒子径0.03~0.6μmの無機フィラー80~1000質量部、(C)界面活性剤、好適にはノニオン系界面活性剤またはアニオン系界面活性剤0.1~10質量部、及び(D)重合開始剤0.01~10質量部を含んでなる歯科用充填修復材。【選択図】 なし