牙科复合树脂具有使用方便、牙体预备量少、颜色美观等优点，在临床上的使用越来越广泛，但在临床观察和实验室研究中均发现复合树脂对人体存在一定的刺激。

Composite resin has been used widely in clinic, for its good color and little reduction of teeth. However, it has been reported that composite resin was an adverse stimulating factor on human.

youdao