结果根管治疗失败的主要原因为根管继发感染、根尖超填及根尖周机械损伤。

Results Secondary infection of the root tubes , apex overfilled and peripheral mechanical injury were main failure factors in the treatment of root tubes .

youdao

结果根管治疗失败的主要原因为根管继发感染、根尖超填及根尖周机械损伤。

Results Secondary infection of the root tubes , apex overfilled and peripheral mechanical injury were main failure factors in the treatment of root tubes .

youdao