根管预备尺寸对Er:YAG激光消毒效果的影响
许雪松,朱亚琴
Influence of the root canal instrumentation size on the disinfection of intracanal microbe by Er:YAG laser
XU Xue-Song, ZHU Ya-qin.
上海口腔医学 . 2015, (6): 645 -651 .