A dental curable composition whose polymerization is not impeded even in a moist environment and in the presence of oxygen and which has excellent marginal sealability and enables the provision of flexibility and the control of removability.
The dental curable composition comprises (A) a polymerizable monomer and (B) an organic amine-based polymerization initiator, wherein (A') a long-chain polymerizable monomer having a chain length of 17 or more atoms is contained in the component (A) and/or (C) a soft resin material are/is contained in the composition, and when the amount (parts by weight) based on 100 parts by weight of the component (A) of the component (Aʹ) is represented by [aʹ] and the amounts (parts by weight) based on 100 parts by weight of the total of the components (A) and (B) of the components (A), (B) and (C) are represented by (a), (b) and (c), respectively, 70 ≦ (a) ≦ 99.99, 0.01 ≦ (b) ≦ 30,1 ≦ [aʹ]/5 + (c)/1, 0 ≦ [aʹ] ≦ 95, and 0 ≦ (c) ≦ 250.
一种牙科固化组合物,其聚合即使在
潮湿环境和有
氧气存在的情况下也不会受阻,具有极佳的边缘密封性,并能提供柔韧性和控制可移除性。
牙科固化组合物包括 (A) 可聚合单体和 (B) 有机
胺类聚合
引发剂,其中 (A') 组分 (A) 中含有链长为 17 个或更多原子的长链可聚合单体,和/或 (C) 组合物中含有软
树脂材料、当组分(Aʹ)中基于 100 份重量的组分(A)的量(重量份数)用[aʹ]表示,组分(A)、(B)和(C)中基于 100 份重量的组分(A)和(B)总量的量(重量份数)分别用(a)、(b)和(c)表示时,70 ≦ (a) ≦ 99.99,0.01 ≦ (b) ≦ 30,1 ≦ [aʹ]/5 + (c)/1,0 ≦ [aʹ] ≦ 95,0 ≦ (c) ≦ 250。