premolars
释义
前磨牙；
英英释义
premolar
n.a tooth having two cusps or points; located between the incisors and the molars
同义词：bicuspid
双语例句
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。
Perhaps that's because the premolars were doing all the hard work, he suggests.
他建议道，也许那是因为前磨牙做着所有艰辛的工作。
权威例句
Fracture resistance of premolars with MOD amalgam restorations lined with AmalgambondAutotransplantation of human premolars : A clinical and radiographic study of 100 teeth
Resistance to fracture of restored endodontically treated premolars
Post placement affects survival of endodontically treated premolars
Cementogenesis reviewed: A comparison between human premolars and rodent molars
Radiographic evaluation of root canal multiplicity in mandibular first premolars.
In vitro cuspal deflection and microleakage of maxillary premolars restored with novel low-shrink dental composites.
Radiographic features of vertically fractured, endodontically treated maxillary premolars ☆ ☆☆
Prevalence of third molar impaction in orthodontic patients treated nonextraction and with extraction of 4 premolars * ** * **
Differential mesowear in occluding upper and lower molars: opening mesowear analysis for lower molars and premolars in hypsodont hor...
1. 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。
www.xjishu.com
2. PURPOSE: To investigate the effect of root canal anatomy in maxillary first premolars on root canal treatment difficulty.
目的：探讨上颌第一前磨牙的根管解剖形态对根管治疗术难度的影响。
dict.cnki.net
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。
www.haodf.com
4. 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。
dict.cnki.net
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。
www.dictall.com
6. The cast post and core is a better method in treating premolars and molars of extensive loss.
铸造金属桩核是修复后牙牙体大面积缺损的一种效果良好的方法。
dict.cnki.net
7. 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。
www.dictall.com
8. 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。
www.dictall.com
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。
www.chemyq.com
10. There was significant difference in incidence of lesion among different kinds of premolars(P0.05).
不同牙位的牙楔状缺损的患病率存在统计学差异（P0.05）。
dict.cnki.net
11. Objective:To observe the effects of different root canal file and the restoration of occlusal surface on the fracture resistance of premolars.
目的：观察不同根管锉预备根管及不同面充填物对前磨牙牙体抗折强度的影响。
www.dictall.com
12. Objective To investigate the morphology and the root canal system of the maxillary first premolars, and to provide reference for the endodontic treatment.
目的探讨成都地区成人上颌第一前磨牙的解剖外形及其根管的形态特点，为牙体牙髓病的临床治疗提供理论依据。
www.dictall.com
13. Objective: To investigate the effect of cast post and core on the restoration of premolars and molars of extensive loss.
目的：探讨铸造金属桩核在后牙牙体大面积缺损修复中应用的临床疗效。
www.dictall.com
14. 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。
article.yeeyan.org
15. AIM:To enhance the dentists to realize the presence of two root canals in the mandibular first premolars.
目的：提高临床医生对下颌第一前磨牙存在双根管的认识。
dict.cnki.net
16. RESULTS:It was easily occurred the type of two root canals in the mandibular first premolars were neglected during endodontic treatments.
结果：由于临床医生的疏忽和下颌第一前磨牙自身解剖特点，易发生下颌第一前磨牙根管漏治。
www.chemyq.com
17. AIM:To study the clinical manifestation of the molars and premolars of cracked teeth, and explore the cause of episode and the different treatment method.
目的：研究牙隐裂的磨牙及前磨牙的临床表现，探讨发病原因及不同的治疗方法。
dict.cnki.net
18. Conclusion The most of maxillary second premolars possessed single-root, high percentage(78%) of one apical foramen occurred.
结论上颌第二前磨牙主要是单根，单个根尖孔的发生率高（78% ）。
dict.cnki.net
19. Results There were statistically significant changes in transarch width of upper first molars, first premolars and canines between T1, T2 and T3.
结果上颌第一磨牙、第一双尖牙和尖牙间宽度在T1、T2和T3相互之间均有显著性差异。
dict.cnki.net
20. 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。
www.mypethome.com
21. Three pairs of incisors, one pair of elongated canines, three pairs of molars, four pairs of premolars, upper and lower, for a total of 44 teeth.
有三对门牙、一对延长犬齿、三对臼齿、四对前臼齿，上下加起来，一共。
blog.sina.com.cn
22. AIM:To observe the root morphology and canal anatomy of chinese premolars.
目的：了解前磨牙根部解剖结构特点，为临床治疗提供参考。
www.dictall.com
23. AIM:To observe the root morphology and canal anatomy of chinese premolars.
目的：了解前磨牙根部解剖结构特点，为临床治疗提供参考。
www.dictall.com
24. 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。
-- 来源 -- dict.cnki.net
25. 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、臼齿及后面的臼齿,和闭合不正都属于缺陷。
-- 来源 -- www.25925.com
26. The first group is the6 incisors, the next group is the four premolars on the bottom and top of each side, and the final group is the three top molars and two molars on the bottom of each side.
第一组是6颗门齿,第二组是每边的底部和顶端上的四个小臼齿，最后的一组是两边顶端三颗臼齿和底部的二颗臼齿。
-- 来源 -- www.25925.com
27. "The incisors, in front, are shaped mostly for Biting, the pointed canines for tearing, and the premolars and molars for grinding food."
前方的切齿主要用来咬住食物,尖的犬齿则撕裂食物,而前磨牙和磨牙则用来磨碎食物。
-- 来源 -- 英汉 - 翻译样例 - 生命
28. 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
-- 来源 -- 英汉 - 短句参考
29. They studied about80,000 fossils, predominately molars and premolars, to reveal when132 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.
-- 来源 -- www.dilee.cn
30. 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。
-- 来源 -- dict.cnki.net
31. In cultured primordia, molar and incisor tooth germs can easily be distinguished by their appearance and their gene activity, although other shapes found in the human mouth, such as premolars and canines, are more difficult.
在组织培养的牙齿原基里头，可以从外观和基因的活性，轻易分辨出臼齿与门齿的牙胚，不过，人类口腔里的其他牙齿，像是前臼齿与犬齿，就比较难以区分。
-- 来源 -- 140.138.36.22
32. Naturally-occurring, non-carious cervical sclerotic lesions on 10 extracted premolars were bonded using an all-in-one self-etch dentin adhesive(Adper Prompt L-Pop,3M ESPE, St Paul, USA).
实验组选择因牙周病拔除的有典型牙颈部非龋性缺损的前磨牙,使用一步法自酸蚀粘结剂AdperPrompt L-Pop处理硬化牙本质表面,并用树脂修复缺损。
-- 来源 -- 网友提供
premolars
