root bur 中文意思是什麼
root bur
解釋
牙根鉆-
Objective : to introduce a new prefabricated post - and - core system, a helical drilling bit and a prefabricated post - and - core consisting of a root canal orifice bur which was designed by the author
摘要目的:介紹一種由螺旋型根管鉆、自行設計的根管口臺階狀車針、預成樁核組成的預成樁核系統。
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