2种镍钛器械对根管充填物清除效率比较
李金恒, 伍甜甜, 何宏, 韩俊力
Evaluation of the efficacy of two kinds of NiTi retreatment instruments for removing filling material during root canal retreatment
LI Jin-heng, WU Tian-tian, HE hong, HAN Jun-li
上海口腔医学 . 2017, (3): 268 -271 .  DOI: 10.19439/j.sjos.2017.03.007