root canal
Objective: To study the root canal therapy of periapical cyst treatment effect.
目的:探讨根管治疗术治疗根尖囊肿的效果。
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那是空的根管(牙髓室)。
That's the hollow pulp canal (chamber).
youdao
前言：目的：建立根管治疗难度的评估模式。
AIM: To establish an evaluating mode for difficulty in root canal therapy.
目的对比和评价戊二醛用于根管消毒的临床效果。
Objective To compare and evaluate effect of medication of the root canal with glutaraldehyde .
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