The anesthesia effect in maxillary teeth was better than that in mandibular teeth.
上颌牙的麻醉效果好于下颌牙。
Results The anesthesia positions of maxillary and mandibular teeth were determined.
结果通过观测，确定了上、下颌牙麻醉点的解剖学定位。
Objective:To investigate the superiority by using high speed air turbine drill in extraction of impacted mandibular teeth, especially in low mesioangular impaction and horizontal impaction.
目的：探讨高速涡轮机在辅助拔牙，特别是在下颌近中低位及水平位阻生牙的拔除中的优越性。
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