查询词典 molars

Class Ⅲ furcation defects were created at the mandibular second pre-molars, first molars and second molars.

人工制备3只食蟹猴双侧下颌第二双尖牙、第一磨牙和第二磨牙的慢性Ⅲ度根分叉病损。

The mean distance of CEJ-FEs at the buccal, mesial and distal furcations of maxillary molars were 3.42 ± 1.5mm, 3.55 ± 0.97mm, and 3.69 ± 0.98mm for the first molars, and 3.01 ± 1.04mm, 4.04 ± 1.58mm and 3.00 ± 1.14mm for the second molars.

上颚第二大臼齿的颊面、近心面与远心面之平均根叉角度分别是91.56±11.72 ； 101.65±11.45 ； 97.11±10.71。下颚第二大臼齿的颊面与舌面平均根叉角度分别是93.32±11.51 ； 91.72±10.77。

The longest time was 22 months.the shortest time was 12 months. Conclusion The extraction planing of missing the first molars in class Ⅰmalocclusion is different from routine extraction mode.This clinical study indicated that it should chose nimble planing and for decurtate treatment time,according to arch crowding, profile and existing of the third molars.

第一磨牙缺失的患者在I类错牙合畸形中的拔牙模式有别于常规，要根据患者牙弓的拥挤程度，面型突度及有无第三磨牙等情况选择治疗计划和有利于缩短疗程的矫治方法。

The interdental distance between the mesial groove of the first molars and distal groove of the second molars was measured on the maxillary dental casts. The interdental distances at the end of experimental tooth movement and retention were calculated. The effectuality of retentive appliances was evaluated by comparing the tooth movement distances between the experimental side and control side.

在加力结束后和保持结束后即刻制取上颌石膏模型，测量所有模型的第一磨牙牙合面近中沟与第二磨牙牙合面远中沟的距离，计算加力结束后与保持结束后的距离，比较实验侧与对照侧的牙齿移动距离，评价保持装置的有效性。

Upper molars showed low frequency of Carabelli cusps. Hypocone of upper second molars showed strong tendency of regression, but metacone had low regression tendency and a strong degree of compression.

上颚大臼齿部Carabelli cusp出现率极低，上颚第二大臼齿hypocone之退化倾向较强，metacone之退化情形较弱，而压扁程度较多。

The three maxillary molars at the experimental sides were moved as one unit mesially by a Sentalloy coil spring delivering a force of 10 cN over a long range of activation. The contra-lateral molars served as controls. At 1, 2, 4, 8, and 12 weeks groups of animals were killed for histological evaluation.

实验侧的三颗磨牙用结扎丝颌粘接剂固为一个整体，在超弹性拉簧作用下（力值为0.1牛顿）向切牙侧移动。l， 2， 4， 8和12周时给予大鼠过量麻醉剂，材料用于组织学研究。

The subjects in the first group (n = 30) had complete normal dentitions including third molars; those in the second group (n =30) had impacted right and left third molars.

在曲面断层片上分别测量上颌第一和第二磨牙与腭平面所成的角度。

Methods sample consisted of 2 groups. The subjects in the first group (n = 30) had complete normal dentitions including third molars; those in the second group (n =30) had impacted right and left third molars.

样本分为两组，第一组的研究对象（n=30）具有完整的正常牙列，包括上颌第三磨牙。

Methods The sample consisted of 2 groups. The subjects in the first group (n = 30) had complete normal dentitions including third molars; those in the second group (n =30) had impacted right and left third molars.

研究样本分为两组，第一组的研究目的确定上颌第三磨牙萌出与第一磨牙和第二磨牙轴倾度的关系。

Methods The sample consisted of 2 groups. The subjects in the first group (n = 30) had complete normal dentitions including third molars; those in the second group (n =30) had impacted right and left third molars.

研究样本分为两组，第一组的研究对象（n=30）具有完整的正常牙列，包括上颌第三磨牙。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。