论文部分内容阅读
汞合金曾是最常用的根管逆充填材料,它有较好的生物相容性,但因其含汞为有害成分,近年来许多学者主张禁止使用,并努力寻找其它可替代的材料。已经证明一种可硬固性氧化锌丁香油酚粘固粉(EBA粘
Amalgam has been the most commonly used retrograde filling material of root canal. It has good biocompatibility. However, due to its mercury content, amalgam has been banned for many years and efforts have been made to find other alternative materials. A hardenable zinc oxide eugenol cement (EBA adhesive) has been demonstrated