[Problem]
To provide a dental adhesive composition realizing excellent durable adhesive strength with respect to various dental restorative materials for cutting and machining such as glass ceramics containing lithium disilicate, a dental resin for cutting and machining, and a dental resin for cutting and machining made of a glass fiber reinforced resin in particular and with respect to a tooth substance, and having excellent storage stability simultaneously.
[Solution]
The dental adhesive composition of the present invention comprises a matrix containing (Al) silane coupling material represented by structural formula of [Chemical formula 1],
(B) polymerizable monomer having an acidic group and (C) polymerizable monomer having no acidic group, and wherein the (C) polymerizable monomer having no acidic group contains (Cl) polymerizable monomer having no acidic group and having one or more hydroxyl groups, the (Al) silane coupling material represented by structural formula of [Chemical formula 1] and the (Cl) polymerizable monomer having no acidic group and having one or more hydroxyl groups coexist in at least one matrix, and the dental adhesive composition satisfies at least one of following formulas (1) and (2). 0.005≤Total amount of silane coupling material compounding amount index in matrixS1×W1/M1≤0.07 0.001≤Total amount of silane coupling material compounding amount index in compositionS2×W2/M2≤0.015
问题
提供一种牙科粘合剂组合物,该组合物对含有二
硅酸锂的
玻璃陶瓷等各种切割和加工用牙科修复材料、切割和加工用牙科
树脂、特别是由
玻璃纤维增强
树脂制成的切割和加工用牙科
树脂以及牙科物质具有优异的持久粘合强度,同时具有优异的储存稳定性。
[解决方案]
本发明的牙科粘合剂组合物包括含有由[
化学式 1]结构式表示的(Al)
硅烷偶联材料的基质、
(B)具有酸性基团的可聚合单体和(C)不具有酸性基团的可聚合单体,其中(C)不具有酸性基团的可聚合单体包含(Cl)不具有酸性基团且具有一个或多个羟基的可聚合单体、由[
化学式 1]结构式表示的(Al)
硅烷偶联材料和无酸性基团且具有一个或多个羟基的(Cl)可聚合单体共存于至少一种基质中,且牙科粘合剂组合物满足以下公式(1)和(2)中的至少一个。0.005≤基质中
硅烷偶联材料混合物总量指数S1×W1/M1≤0.07 0.001≤组合物中
硅烷偶联材料混合物总量指数S2×W2/M2≤0.015