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不同镍钛根管预备器械去除重度弯曲根管内充填物的效果比较
孙菲,梁景平
Comparison of the effects of different nickel-titanium root canal preparation instruments in removing highly curved root canal fillings
SUN Fei,LIANG Jingping
口腔疾病防治 . 2019, (10): 627 -633 .  DOI: 10.12016/j.issn.2096-1456.2019.10.003