3种机用镍钛锉对磨牙根管弯曲度的影响
孟丹婕, 姚莉莉, 李矛
Comparison of the effect of three nickel-titanium instruments on molar root canal curvature
MENG Dan-jie, YAO Li-li, LI Mao
上海口腔医学 . 2018, (4): 407 -410 .  DOI: 10.19439/j.sjos.2018.04.014