PROBLEM TO BE SOLVED: To provide a dental hardening composition for repairing the tooth defect caused by dental caries, breakage, or the like.SOLUTION: The invention relates to a dental hardening composition containing the following components (a)-(d): (a) a matrix resin whose viscosity at 25°C is 10,000-17,000 mPa s (b) an organic-inorganic composite filler (c) an inorganic filler and (d) a polymerizing starting material.EFFECT: The dental hardening composition has sturdiness suitable for repairing a molar part, has paste property that is hard to attach to a plugger, has excellent form shaping properties, has also few temporal changes of paste properties, and further has polymerization shrinkage properties.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】齲蝕や破折等により生じた歯牙の欠損を修復するための歯科用硬化性組成物の提供。【解決手段】以下の成分(a)~(d)を含有する歯科用硬化性組成物。(a)25℃における粘度が10,000~17,000mPa・sであるマトリックスレジン(b)有機無機複合フィラー、(c)無機フィラー、および(d)重合開始材【効果】該歯科用硬化性組成物は、臼歯部修復に適したコシ感があり、かつ、充填器付着し難いペースト性状で形態付形性に優れ、亦経時的なペースト性状の変化も少なく、更に低重合収縮性を有する。【選択図】なし
