premolar

A bicuspid tooth,especially a premolar.

两尖齿两尖齿,尤指前磨齿

A bicuspid tooth, especially a premolar.

食人者的牙被磨成锋利的尖形。

Methods Micro-CT was used to scan the intact maxillary first premolar.

方法用M icro-CT对选取的完整上颌第一前磨牙进行扫描,将获得的CT影像通过M im ics8.1软件进行拟合,初步形成模型。

In female group, there was no difference for the second premolar, but th...

结论成人上颌快速扩弓不会加速和(或)导致成人牙龈退缩。

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

利用此装置施予50克力量将第四小臼齿下压。

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。

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。

The study of CGRP-Immunoreactive nerve fibers in dental pulp-dentine complex of human premolar.

人前磨牙牙髓牙本质复合体中CGRP阳性神经纤维的研究。

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。

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。

Methods Left mandible(without the second premolar and the first molar)was used for specimen.

方法对缺失的下颌骨进行固定桥修复。

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。

Standardized maxillary premolar crowns were fabricated with five different alloys and one Zircoina ceramic.

另将五种合金与二氧化锆制作标准上颚骨前臼齿牙冠。

And a miniscrew is placed in the contralateral 4th premolar lingual side as comparison group of soft tissue irritation.

同时在对侧第四小臼齿之舌侧置入一支迷你骨钉,作为对软组织刺激程度的对照组。

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

目的评价自体牙移植的临床效果。

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。

But Longgupo also yielded a mystery jaw fragment, including the fourth premolar and the first molar.

但龙骨坡还发现了一件神秘的下颌残片,包括第四前臼齿和第一臼齿。

A tooth adapted for tearing apart flesh, especially one of the last upper premolar or first lower molar teeth in carnivorous mammals.

裂齿,食肉齿适合于撕裂肉的牙齿,尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿

After treatment the changes of dental arch width in first and second premolar region were larger than that of cuspid and first molar regions.

上颌第一、二双尖牙间各自宽度较尖牙间、一磨牙间宽度增加显著。

Three-dimensional finite element analysis of the stress of the mandible premolar under loading on its traumatic occlusal spots.

下颌前磨牙创伤咬合点加载的三维有限元应力分析。

A tooth adapted for tearing apart flesh,especially one of the last upper premolar or first lower molar teeth in carnivorous mammals.

裂齿,食肉齿适合于撕裂肉的牙齿,尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿

This 40-year-old male suffered from inconvenience when eating due to the absence of the lower right first molar and second premolar.

本文报告一位40岁的男性病例,主诉右下后方缺牙导致吃东西不便。

Conclusion: The FEM of the fracture tooth of first premolar can be established by computerized tomography (CT) and the FEM.

结论:将CT技术与有限元法有机结合,可以建成上颌第一双尖牙冠根纵折模型。

The clinical diagnosis is a fusion of premolars.Review of literatures, only one case of fusion of premolar had been reported.

文献回顾,只有一病例曾经报告,所以提出一下头第一及第二小臼齿的双连齿的病例报告。

In a developing human jaw, different homeobox genes are activated in different areas, guiding each tooth bud down a pathway to become a molar, premolar, canine or incisor.

在发育中的人类颌部,不同的同源匣基因会在不同的位置活化,引导各个牙胚变成臼齿、前臼齿、犬齿或门齿。

Plaintiff was a 60ish homemaker who was referred to the defendant endodontist because of continued sensitivity following crown placement on a lower premolar tooth.

原告是一位60多岁的家庭主妇,下颚第二双尖牙做了烤瓷冠修复后发生持续的过敏现象,从而被转诊到了被告----一位根管治疗专科牙医诊所。

Methods With zinc oxide eugenol cement and gutta-percha point,this therapy was used in treatment of labial teeth and bicuspid premolar abscess in 75 teeth of 56 cases.

方法采用氧化锌丁香油酚粘固剂及牙胶尖,对56例患者75颗根尖周脓肿进行一次性前牙及双尖牙根尖脓肿根管治疗法。

Plaintiff was a 60ish homemaker who was referred to the defendant endodontist because of continued sensitiity following crown placement on a lower premolar tooth.

原告是一位60多岁的家庭主妇,下颚第二双尖牙做了烤瓷冠修复后发生持续的过敏现象,从而被转诊到了被告----一位根管治疗专科牙医诊所。

Methods Buccal fat pad was used to repair the deficiency of the tissue on the palate,cheeks,premolar district and the oral cavity maxillary sinus fistula.

方法应用带蒂颊脂垫修复腭部、颊部、磨牙区的组织缺损,以及用于修复口腔上颌窦瘘。

The lesions were mostly located inthe anterior position or premolar region of the maxilla and mandible ,which exhibitedradiographically a mixed radiolucent-radiopaque appearance.

病变主要位于前牙区和/或前磨牙(77%)。

Conclusion: Different premolar extraction models will affect the Bolton overall ratios of different angle malocclusion patients with normal anterior ratio.

结论:前牙比正常的安氏不同错(牙合)畸形进行拔牙矫治时,前磨牙的拔牙模式会对拔牙后的全牙比产生影响。

Hong Shugan, dry bread can also give baby teeth, and some biscuits molar, premolar stick, finger biscuits, are helping to ease the baby’s teeth does not helpful.

红薯干、馒头干也可以给宝贝磨牙,还有一些磨牙饼干、磨牙棒、手指饼干,都是帮助宝贝缓解出牙不适的好帮手。

Objective: To provide morphological basis for dental aging and senile teeth diseases and to study age-related changes of pulp-dentin complex of human premolar.

目的:研究人前磨牙牙髓牙本质复合体的增龄性变化,探讨牙衰老和老年牙病的形态学基础。

ELIMINATING FAULTS : All deviations in relation to the correct scissor bite. Absence of one incisor or one canine, a third premolar or a fourth premolar or of one molar.

严重失格:所有形式的不正确咬合。缺一个门齿或犬齿,第三前臼齿或第四前臼齿或一个臼齿。任何明显显现身体或动作畸形的狗,都视为严重失格。

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。

Methods The method use elastic resin for labial and buccal base plate and the clasps of incisor and premolar,using casting framework for molar and lingual side,38 cases was restorded.

方法:采用弹性树脂作唇颊侧基托及前牙、前磨牙的卡环,后牙及舌侧采用铸造支架,制作修复体38件。

Bilateral mandibular premolar teeth of rabbits were extracted under abdomen anesthesia (2%glutababituratic acid), then l2 titanium implants were placed into the teeth extraction holes of one side and left the other side to be the control one.

结论:多糖-蛋白复合物在钛种植体形成骨附着及维持钛的生物相容性方面可能具有重要作用,并推测其与骨代谢活性密切相关。

With three different retainer designs, the retainer on the second premolar and the first molar exerted the smallest stress on the abutment and its periodontal tissue, while the retainer on the first premolar and the first molar had the largest stress.

在3种不同的固位体设计方式中,固位体放置在第二前磨牙与第一磨牙之间时,基牙及牙周组织受力最小;固位体放置在第一前磨牙与第一磨牙上,基牙与牙周组织受力最大。

Objective: To analyze the effect of the change of the tapers on the stress and the distribution on the root canal wall resulting from after the root canal preparation on maxillary first premolar.

摘要目的:分析上颌第一前磨牙根管预备后锥度变化对根管壁应力及其分布的影响。

METHODS:128 cases of 236 premolar teeth with dental wdge-shaped defects were randomly divided into two groups-one group restored by FX and the other group restored by light cure resin.

方法:选择前磨牙楔形缺损的患者128例236个患牙进行修复治疗,将患牙随机分为两组,一组用FX修复,另一组用光固化复合树脂修复,经6个月、1年、2年观察,比较修复的成功率。

We inserted the Mount Vernon dentures digitally on top of the mandible, as they would have sat in Washington's mouth, and adjusted the bone's curve and the location and height of the premolar to fit.

我们把维农山假牙以数位方法放到下颔上,比照它在华盛顿口中应有的样子,再调整骨骼的曲线以及前臼齿的位置及高度,使它们互相配合。

One miniscrew of experiment group was placed with intentional root contact with upper third premolar, and 1 of control group was placed without root contact at the contralateral side.

对照组植入迷你骨钉1支于对侧同样部位,但使迷你骨钉不与牙齿牙根接触。并拔除上颚两侧第二小臼齿。

Methods: 76 old people of 218 premolar teeth with wedge-shaped defect were divided into two groups randomly: the teeth were prepared in the first group but not in the second group.

方法:选择相邻的前磨牙楔状缺损患者76例218颗患牙,随机分为2组,第一组修复前预备洞型;第二组修复前不预备洞型。

The three dimensional finite element model of the fracture tooth of first premolar was been established by the special software.The gap of the model was been replaced by Clearfil SE Bond.

随着粘接材料性能的不断提高和粘接技术的不断更新,粘结再植术治疗后牙纵折,即将患牙拔出、行即刻根管治疗、粘接、再植已成为保存纵折后牙的新方法,并在临床上已取得较为满意的疗效。

This article presents a 13-year-old female patient with an impacted maxillary second premolar which is incomplete root formation.The impacted tooth was surgically repositioned to normal occlusion.

本文报告一位13岁女性患者利用手术移位的方式将牙根尖尚未发育完全的上颚第二小臼齿直接移到正常的咬合位置。

Keywords Premolar Canal isthmus Incidence;

前磨牙;根管峡部;发生率;

Keywords mandibular premolar;root canal morphology;

下颌前磨牙;根管解剖;

posterior surface of premolar and molar

前磨牙及磨牙后面

premolar aplasia, hyperhidrosis, premature canities

前臼齿发育不良-多汗-早年白发综合征, PHC综合征

Keywords Root canals;Maxillary premolar;Curvature;

根管;前磨牙;弯曲;