It's very important to control the apical stop when performing root canal therapy.

根管治疗的根尖止点控制包括确定工作长度、工作宽度以及根尖区的根管形态等。

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It's very important to control the apical stop when performing root canal therapy.

根管治疗的根尖止点控制包括确定工作长度、工作宽度以及根尖区的根管形态等。

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