second premolars extraction
拔除第二前磨牙
Root and canal morphology of mandibular premolars
离体下颌前磨牙根管及牙根形态研究
SEM study of the root canal wall of upper premolars
上颌前磨牙根管壁的扫描电镜观察
All the teeth were randomly divided into7 groups, each has10 premolars.
将离体牙随机分成7组，每组10颗。
A tooth with a broad crown used to grind food, located behind the premolars.
臼齿一种用作研磨食物的有宽齿冠的位于前磨牙后的牙齿
Root canal curvature of human mandibular premolars in buccolingual directions
离体下颌前磨牙根管的颊舌向弯曲
Root canal curvature of human maxillary first premolars in buccolingual directions
离体上颌第一前磨牙根管颊舌向弯曲的研究
Root canal curvature of human maxillary second premolars in buccolingual directions
离体上颌第二前磨牙根管颊舌向弯曲的发生情况
Absence of more than two first premolars or absence of a first and a second premolar.
缺少超过两个第一前臼齿或者一个第一和一个第二前臼齿。
Effects of maxillary first premolars tooth anatomy on root canal treatment difficulty
离体上颌第一前磨牙解剖因素对根管治疗术难度的影响
Prediction equations for widths of unerupted canine and premolars in mixed dentition.
替牙期未萌尖牙、前磨牙宽度和预测方程的建立
Objective To investigate the root and canal morphology of extracted maxillary second premolars.
目得观察上颌第二前磨牙得牙根及根管形态。
Objective To research the preserved effect with complex therapy of the fractured premolars and molars.
目得研究后牙折裂综合治疗后得保存效果。
The Study of Residual Thickness and Fracture Strength in Maxillary Premolars after Post Space Preparation
上颌前磨牙桩道预备后剩余根管壁厚度和抗折强度的研究
Anatomy and clinical significance of the root canal system and apical foramen of mandibular first premolars
下颌第一前磨牙根管系统和根尖孔解剖及临床意义
Objective To investigate root canal curvatures of human maxillary first premolars in buccolingual directions.
目得研究上颌第一前磨牙根管颊舌向得弯曲情况。
Her mandibular incisors and left premolars occluded with her edentulous ridge, and her incisors were procumbent.
她的左下颌门齿和臼齿闭塞牙嵴与她和她的门牙被疐。
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