Human premolars 人前磨牙
Permanent premolars 永久小臼齿
premolars s 前齿
upper premolars 上颌前磨牙
first premolars 第一双尖牙
premolars loss 前磨牙缺失
second premolars 第二前磨牙
impacted premolars 阻生前臼齿
ADJ situated before a molar tooth 前臼齿的
N any one of eight bicuspid teeth in the human adult, two situated on each side of both jaws between the first molar and the canine 前臼齿
Objective: To investigate the root and canal morphology of extracted mandibular premolars.
目的：研究离体下颌前磨牙的牙根及根管形态。
Objective: To investigate the morphology of physiological foramen of mandibular premolars.
研究目的：探讨下颌前磨牙生理性根尖孔的形态特征。
Sealants are protective coatings placed over the tops of chewing teeth - molars and premolars.
封闭剂在是牙齿咀嚼面上覆盖一层保护材料——在磨牙或者前磨牙。
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