作者: Yuerong Zhang , Hai Xu , Dongmiao Wang , Yongchun Gu , Juan Wang
DOI: 10.1016/J.JOEN.2017.06.021
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摘要: Introduction The purpose of this study was to investigate the incidence and location of the second mesiobuccal (MB2) root canal of the maxillary first molar and the relationship between …