PROBLEM TO BE SOLVED: To provide a dental curable material kit of a powder-liquid type which includes a radical polymerizable monomer, resin powder, and chemical polymerization type radical polymerization initiator as components, and can well control a heat-generating temperature and a curing time without being affected by the difference of the powder-liquid ratio in the case of an excessive liquid or the like.SOLUTION: The dental curable material kit includes (I) a powder containing a resin powder, (II) a liquid material containing a radical polymerizable monomer, and (III) a radical polymerization-retarding liquid containing the radical polymerizable monomer and a radical chain transfer agent, characterized in that two or more compounds constituting the chemical polymerization type radical polymerization initiator are separately contained in the components (I) to (III) in such forms as not generating a radical during storage.COPYRIGHT: (C)2010,JPO&INPIT【課題】 ラジカル重合性単量体、樹脂粉末、および化学重合型ラジカル重合開始剤を成分とする粉液型の歯科用硬化性材料において、発熱温度や硬化時間を、液過多の場合などの粉液比の違いによる影響を受けることなく、良好にコントロールすること。【解決手段】 (I)樹脂粉末を含む粉材、(II)ラジカル重合性単量体を含む液材、および(III)ラジカル重合性単量体とラジカル連鎖移動剤を含むラジカル重合遅延用液からなり、上記(I)~(III)の各部材に、化学重合型ラジカル重合開始剤を構成する2種以上の化合物が保存時にラジカルが発生しない態様で分けて含有されてなる歯科用硬化性材料のキット。【選択図】なし
