Methods: 73 cat teeth were studied in practical anatomy, Capping pulp. root canal treatment, apicectomy and retrograde filling.

方法：对猫牙进行应用解剖、盖髓、根管充填术及根尖手术等实验研究。

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Objective to probe abrasion technique of the petrous bone via modified partial labyrinthectomy petrous apicectomy (PLPA) approach.

目的探讨改良部分迷路切除岩骨尖入路(PLPA)的岩骨磨除技术。

youdao

Objective to probe abrasion technique of the petrous bone via modified partial labyrinthectomy petrous apicectomy (PLPA) approach.

目的探讨改良部分迷路切除岩骨尖入路(PLPA)的岩骨磨除技术。

youdao