TY - Journal of Prevention and Treatment for Stomatological Diseases A1 - KONG Jingjing,LI Chunnian,YIN Liangliang,DAI Xinpeng T1 - Experimental study on central location ability and clearance rate of three nickel-titanium instruments for root canal retreatment Y1 - 2020-07-15 00:00:00.0 JF - Journal of Prevention and Treatment for Stomatological Diseases JO - Journal of Prevention and Treatment for Stomatological Diseases SP - 494 EP - 498 VL - 28 IS - 8 UR - {https://www.kqjbfz.com/EN/10.12016/j.issn.2096-1456.2020.08.003} N1 - 10.12016/j.issn.2096-1456.2020.08.003 ER -