Vertical changes in skeletal class patients after premolar extractions 垂直向关系的影响
2.
The restoration of premolar residual crown with pivot core casting crown 桩核铸造冠修复前磨牙残冠
3.
Results : clinical crown height of upper premolars lower premolars and lower molars are increased 对照组12例，为条件相当而未作治疗的儿童。
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Width between left and right premolars in upper and lower arch are increased while decreased between lower molars 在咬合打开后，进行咬合打开前、后的模型测量研究。
5.
Unlimited amalgam ( silver ) filings for posterior teeth due to decay . posterior teeth means premolar & molar 无限次因蛀牙而导致的后牙银粉补牙，后牙指犬齿以后的牙齿。
6.
Deviations are level bites , extra premolars , missing incisors , premolars and / or back molars , and poor occlusion 水平咬合，多出的臼齿，缺失门齿、小臼齿及后面的臼齿,和闭合不正都属于缺陷。
7.
Tooth crowding occurs if there is inadequate room for all permanent teeth to erupt or when the permanent premolars erupt and the growth of the jawbone stablizes 牙齿排列不整齐由于恒齿的体积比乳齿大，恒齿长出时可能不够空位，引致牙齿排列参差不齐。
8.
They studied about 80 , 000 fossils , predominately molars and premolars , to reveal when 132 different species of small rodents first arose ? and when the animals disappeared 他们研究了大约8万块化石.大多是臼齿和前臼齿的,以探明132个小型啮齿目物种何时产生又何时消亡
9.
This paper illustrated the characters about root canal morphology of mandibular premolars , including the formation , configurations , racial difference , classification and methods for study 本文简要介绍下颌前磨牙多种解剖结构的形成、形态特点、人种差异、分型和研究方法。
10.
The teeth located between the cuspids and the molars , having either two or three cusps . the bicuspids are numbered 4 , 5 , 12 , 13 , 20 , 21 , 28 & 29 . also known as premolars 位于尖牙和磨牙(臼齿)之间的牙,所有双尖牙都有两个或三个牙尖.双尖牙被编号为4 , 5 , 12 , 13 , 20 , 21 , 28和29 .也被称为前磨牙(臼齿)
