1.【解】前磨牙(的),前臼齿(的)
1.either of two teeth on each side of both jaws that lie immediately behind the canines and in front of the molars and are used for grinding and chewing
1.relating to a grinding and chewing tooth
1.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。
2.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。
3.Most dentists recommend the permanent molars and premolars to be sealed because these are the teeth that have the deepest grooves.
大多数牙医建议封闭恒牙的磨牙和双尖牙，因为磨牙的窝沟比较深，乳牙通常不用做窝沟封闭。
4.Conclusion The composite resin inlay is a new alternative to the restoration of childrens permanent molars and premolars .
结论复合树脂嵌体可作为儿童期恒磨牙、双尖牙缺损修复的一种适用方法。
5.Objective To investigate root canal curvatures of human maxillary first premolars in buccolingual directions.
目的研究上颌第一前磨牙根管颊舌向的弯曲情况。
6.Objective To research the preserved effect with complex therapy of the fractured premolars and molars.
目的研究后牙折裂综合治疗后的保存效果。
7.abstract: Objective: To investigate the root and root canal anatomical features of maxillary first premolars.
目的：了解上颌第一前磨牙的牙根和根管形态，为临床治疗提供解剖学依据。
8.Furthermore, autotransplanted premolars created growth of the alveolar process along with the eruption process.
此外，自体臼齿创造增长与牙槽突爆发过程。
9.Conclusions: The roots of maxillary first premolars possesses a variety of canal system types.
结论：上颌第一前磨牙的根管类型相对复杂。
10.Moderate to severe protrusion of anterior teeth often necessitates the extraction of 4 premolars to retract anterior teeth into their space.
中度至重度突前牙往往需要提取4臼齿收回前牙纳入其空间。