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根管峡部牙本质的结构与矿物质含量及显微硬度的研究
姚清婷,李军,李姝慧
Study of root canal isthmus dentin structure and mineral content and microhardness
YAO Qingting,LI Jun,LI Shuhui
口腔疾病防治 . 2020, (10): 630 -634 .  DOI: 10.12016/j.issn.2096-1456.2020.10.003