< Topic >The bond strength for flank quite not only being high, forming the hardening membrane which is superior in quality such as long-term adhesiveness, long-term durability, ivory narrow tube blockade characteristic and esthetic characteristic on the surface of the tooth is possible, furthermore it is superior in retention stability, offers the retention possible 1 liquid type flank cladding materials in state of the one package.Solutions(A) the acidic basic content polymerization characteristic monomer 5 mass % above the polymerization characteristic monomer component which is included(B) polyvalent metal ion (C) volatile water soluble organic solvent (D) water (E) the photo polymerization initiator of the effective quantity is contained, the aforementioned polyvalent metal ion (B) the quantity and the volatile water soluble organic solvent (C) the combination quantity is a relationship of specification.< Selective figure >It is not【課題】歯面に対する接着強度が極めて高いばかりか、長期接着性、長期耐久性、象牙細管封鎖性、審美性等の特性に優れた硬化膜を歯の表面に形成することが可能であり、しかも保存安定性に優れ、ワンパッケージの状態で保存可能な1液型歯面被覆材を提供する。【解決手段】(A)酸性基含有重合性単量体を5質量%以上含む重合性単量体成分;(B)多価金属イオン;(C)揮発性の水溶性有機溶媒;(D)水;(E)有効量の光重合開始剤を含有し、前記多価金属イオン(B)の量と揮発性の水溶性有機溶媒(C)の配合量が特定の関係にある。【選択図】なし
