According to the present invention, the polymerizable monomer component (A)； the inorganic filler component (B) having an average particle diameter of 0.07 μm or more； the inorganic filler component (C1) and the organic polymer component (C2) And a photocurable composition containing an organic-inorganic composite filler component (C) having an average particle diameter of 0.5 μm or more； and a photopolymerization initiator (D), and the polymerizable monomer component (A) 100 The total content of the inorganic filler component (B) and the organic-inorganic composite filler component (C) per 100 parts by mass in an amount of 100 to 1500 parts by mass, and the polymerizable monomer component (A) and the inorganic filler component A photocurable composition is provided, wherein 90 parts by mass or more of (B) and 90 parts by mass or more of the organic-inorganic composite filler component (C) are selected to satisfy predetermined conditions. Ru. [Selected figure] None本発明によれば、重合性単量体成分（Ａ）；平均粒径が０．０７μｍ以上の無機充填材成分（Ｂ）；無機充填材成分（Ｃ１）と有機重合体成分（Ｃ２）とを含む、平均粒径が０．５μｍ以上の有機無機複合充填材成分（Ｃ）；及び光重合開始剤（Ｄ）を含む光硬化性組成物からなり、 前記重合性単量体成分（Ａ）１００質量部当り、前記無機充填材成分（Ｂ）と有機無機複合充填材成分（Ｃ）を総量で１００～１５００質量部の量で含み、 前記重合性単量体成分（Ａ）、無機充填材成分（Ｂ）の９０質量部以上、有機無機複合充填材成分（Ｃ）の９０質量部以上が、所定の条件を満足するように選択されていることを特徴とする光硬化性組成物が提供される。【選択図】 なし
