题目内容
急性根尖周脓肿时，医生建立最佳的引流通道是
2021-12-20
A.根尖部—牙周袋
B.根尖孔—根管—龋洞
C.根尖部—齿槽骨—黏膜下
D.根尖部—齿槽骨—皮肤下
E.根尖部—牙周间隙—龈袋
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