1.
Effects of second premolar extractions on third molar angulations
正畸拔除第二前磨牙后第三磨牙倾斜度的变化
2.
Three-dimensional Finite Element Analysis of Molar and Premolar at Various Degrees of Attrition;
磨牙及前磨牙不同磨耗程度的三维有限元应力分析研究
3.
Effects of Permanent Premolar Germ During Primary Molar Orthodontic Movement and Its Mechanisms in Dog;
正畸移动狗乳磨牙对其恒前磨牙牙胚的影响及机制的探讨
4.
Evaluation of the Effect of Maxillary Anterior Teeth and Premolars Morphology on Torque Using Cone Beam CT;
CBCT评价上颌前牙与前磨牙形态对转矩的影响
5.
One of the pointed, conical teeth located between the incisors and the first bicuspids.
犬牙，犬齿位于门牙和第一颗前磨牙之间的锋利圆锥形牙齿
6.
Objective To investigate the root and canal morphology of extracted maxillary second premolars.
目的观察上颌第二前磨牙的牙根及根管形态。
7.
The Resistance to Fracture of Premolar after Endodontically Treated:an in Vitro Study;
前磨牙根管治疗后牙体抗折强度的实验研究
8.
Morphometric Study of Mandibular First Premolar with C-shaped root in a Chinese population
下颌第一前磨牙C形牙根的解剖形态研究
9.
Method: Eight male adult dogs underwent extraction of the mand ible third、 fourth premolar and first molar.
方法:8只成年雄性杂种狗,拔除双侧下颌第三、前磨牙和第一磨牙。
10.
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
11.
The retention of the clasp on molar is greater than premolar in the same condition of undercut.
相同倒凹条件下,磨牙卡环的固位力比前磨牙卡环大。
12.
The retention of gold alloy clasp on the molar was greater than that on the premolar in the same condition of undercut.
相同倒凹深度上,磨牙金合金卡环固位力比前磨牙大。
13.
The effect of first premolar extraction on third molar angulation and eruption space
第一前磨牙减数治疗对第三磨牙角度和萌出间隙的影响
14.
Morphology of Physiological Foramen of Mandibular Premolars;
下颌前磨牙生理性根尖孔形态的研究
15.
A study on morphology of isthmus in maxillary first premolars
上颌第一前磨牙根管峡部形态的研究
16.
The Diagnosis of Mandibular Premolars with Multi-canal System Using Dental Operating Microscope
下颌第一前磨牙根管的临床显微观察
17.
Results The predilection age of VRFs was over40 years old, the predilection teeth of VRFs were molars and premolars, and most teeth with VRFs had periodontal lesions.
结果牙根纵裂好发于40岁以上年龄,以磨牙及前磨牙较为多见,均伴有牙周损害。
18.
One hundred and eighty extracted premolars were observed with pulp cavity and root canal permeated with Chinese ink and premolars decalcified and transparented.
用双重墨汁渗透牙髓腔根管,脱钙透明法观察前磨牙拔牙标本180颗。