The polymerization characteristic monomer which consist of the solid bulking agent and the organic polymerization characteristic matrix, the aforementioned polymerization characteristic matrix, i) the polymerization characteristic which at least possesses two polymerization characteristic bases (for polymerization characteristic dentistry which with meta) acrylic monomer and with the total weight of II) aforementioned polymerization characteristic matrix as a standard 1.0 - 15 weight % possesses carbon acid radical includes the composite.固体充填剤および有機重合性マトリックスからなり、前記重合性マトリックスが、i)少なくとも2つの重合性基を有する重合性(メタ)アクリルモノマーと、ii)前記重合性マトリックスの全重量を基準にして1.0~15重量%のカルボン酸基を有する重合性モノマーとを含む重合性歯科用コンポジット。