premolar

There are the same changes of soft and hard tissues in maxillary in the patients with two upper first premolar extractions and the facial appearance is improved.

拔除两个上颌第一双尖牙的患者，其软硬组织的变化在上颌是一致的，而在下颌却不一致，软组织侧貌突度也减小。

Objective: To compare the cleanliness of the single root canal premolar walls prepared by stainless steel K file and profile rotatory device.

目的：比较手用不锈钢K型锉根管预备方法和机用镍钛Profile根管预备方法对单根管前磨牙根管清洁能力的差异。

Clinical Analysis on Root Canal Screw and Self-shearing Pin to Repair Premolar's Residual Crown and Its Residual Root

根管螺纹钉附加自攻自断钉修复前磨牙残冠残根临床分析

This appliance provides 50 gm force to intrude the lower 4 th premolar.

利用此装置施予50克力量将第四小臼齿下压.

The retention of the clasp 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.

Unfortunately, the fourth premolar in the upper jaw is quite large and looks like the first molar in the lower jaw; it is known as a carnassial tooth.

不幸的是，上颚的第四颗前臼齿很大，看起来就象是下颚的第一颗臼齿，这颗前臼齿也被称作叫裂齿。

Soft tissue changes of chin with different premolar extraction patterns

不同前磨牙拔除模式对颏部软组织变化的影响

Result: The mental foramen of some specimen were be distal to the secondary premolar.

结果: 部分标本的颏孔位于下颌第二双尖牙远中.

Objective To construct the fine 3 D model of the maxillary first premolar for finite element analyzes ( FEA ).

目的建立上颌第一前磨牙的精细三维模型,并最终应用于有限元分析 ( fea ).

Objective To evaluate the effect of autotransplantation impacted anterior tooth and premolar.

目的评价自体牙移植的临床效果.

Unlimited amalgamsilver filings for posterior teeth due to decay . Posterior teeth means premolar & molar.

无限次因蛀牙而导致的前牙合成树脂或瓷粉补牙,前牙指犬齿至 犬齿 间的牙齿.

the interval between the central fossa of the first molar and the extension line of the premolar buccal cusp at the end of the second stage and overall therapy in two groups were measured and compared.

在矫治第2期末即精细调整前和固定矫治结束时测量第一磨牙中央窝与前磨牙颊尖延长线的距离并进行比较。

The discrepancies between the positions of the neutral zone and the crest of the alveolar ridge were significant in the canine regions, smaller in the posterior molar regions, and almost none in the premolar regions.

中立区位置与齿槽嵴顶在尖牙区差异较大，在磨牙区差异较小，在前磨牙区基本一致。

objective to understand the relationship of the crown circumference and the dental referential anatomy data of the premolar. the results provided reference data for making and choosing bands.

目的探讨上颌第一双尖牙牙冠的周径与其颊舌径、近远中径、对角距离等解剖标志间的关系，为制作和选择带环提供参考依据。

" It was clear that while the premolar was broadly humanlike, it wasn't from a modern human," Brown recollects.

布朗回忆道：「我看得很清楚，虽然那颗前臼齿大体而言像人牙，可绝不是现代人的牙齿。」

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.

When the mandibular body fracture is under the premolar and molar of fracture side occlusion 、 the mandibular angle fracture is under the molar of fracture side occlusion, the stress of the upper fracture part is bending force and the lower is compressing force.

体部骨折患侧前磨牙、磨牙咬合以及角部骨折患侧磨牙咬合情况下，骨断层应力分布显示下部为张力带、上部为压力带。

They had four first premolar extraction, but the outcomes were not so satisfied.

此时如增拔上下第一大臼齿, 则可使臼齿区域的近远心关系及病人侧貌得到良好的改善.

Objective To evaluate the effect of autotransplantation of impacted anterior tooth and premolar.

目的:探讨拔牙后自体牙即刻移植的方法和临床效果.

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

When occlusion by molar and premolar of fracture part, the stress of upper fracture part was bending force and the lower was compressing force.

患侧磨牙、前磨牙咬合骨断层应力分布下部为张力带、上部为压力带。

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.

Then the mandible, lumbar vertebra and femur were excised and the histological structure of condylar process of mandible, molar and premolar area of mandible body, first lumbar, head, middle segment and condyle of femur were examined.

观察指标为下颌骨髁状突、下颌骨体磨牙区和前磨牙区、第一腰椎、股骨头、股骨中段和股骨髁部的组织学结构。