牙

Methods One band with a lingual button was bonded on the crown of lingual inclined lower second molar, then a removable, uprighter was put on, the tipping molar was uprighted by using buccal traction force produced by the latex elastics between the button and the hook of removable uprighter.

先在患牙上装戴一焊有舌侧扣的带环，再将预先制作好的带颊侧牵引钩的下颌可摘式磨牙颊向竖直器装戴就位，然后在舌侧扣与矫正器的牵引钩之间使用乳胶弹力圈对患牙进行颊向牵引。待患牙扶正后再使用固定矫正器进行精细调整。

Methods Demirjian′s method was used to assess the dental maturity score and dental age of 445 Chengdu children.

恒牙的形成不会受乳牙早失的影响，因此利用恒牙研究牙龄更为准确和实用。

Results: CAP did not affect cell proliferation of HDFC, but increased the ALP activity of HDFC at high protein concentration.

结果：牙骨质附着蛋白对牙囊细胞的增殖无显著影响，但高浓度的牙骨质附着蛋白可增强牙囊细胞碱性磷酸酶活性。

Results The cross bite was corrected after 2～6 months and 24 cases with cross bit...

结果 2～ 6个月纠正反牙合，2 4例替牙牙合时期反牙合患者得以早期矫治。

Methods The intercuspidrelationship and the offset of the first molar, the crown angulation, inclination, rotations, tight contacts, the curve ofSpee and the crown prominence in the right side of 30 Chinese posttreatment cast models were measured and analysed.

测量分析30付牙模型右侧磨牙关系距离、磨牙补偿角、各个牙齿唇舌向及颊舌向倾斜度、牙齿近远中倾斜度、旋转度、牙间间隙、Spee氏曲线和牙冠凸度。

The length of mandibular dental arch is controlled under weak genetic factors. Both maxillary and mandibular crowding are influenced by the environmental factors.

上下颌牙量大小和上颌牙弓弧长受较强遗传控制，下颌牙弓弧长受弱遗传控制，恒牙列拥挤度遗传度很低，受环境因素影响较大。

The dental width was normal in mixed dentition, whereas the posterior dental width was increased in adults. The dental length is decreased.

混合牙列期牙弓宽度不存在异常，而成人期后段牙弓宽度增大；牙弓长度则缩短。

Methods Ten skeletal Class II division I malocclusion patients in permanent dentition with ANB 7.4° and overjet 8-11mm were treated by Edgewise technique with extract 4 first bicuspids, cephalometric measurements before and after treatment were done.

对10名前牙深覆盖达到8～11mm且ANB平均为7.4°伴Ⅲ°深覆牙合的恒牙期患者，采用方丝弓技术进行矫治，均拔除4个第一双尖牙，并对所有患者正畸治疗前后进行头影测量分析。

Methodsten skeletal class ii division i malocclusion patients in permanent dentition with anb 7.4° and overjet 8-11mm were treated by edgewise technique with extract 4 first bicuspids, cephalometric measurements before and after treatment were done.

对10名前牙深覆盖达到8～11mm且anb平均为7.4°伴ⅲ°深覆牙合的恒牙期患者，采用方丝弓技术进行矫治，均拔除4个第一双尖牙，并对所有患者正畸治疗前后进行头影测量分析。

The folk belief governing this practice is that when a new tooth grows in, it will possess the dental qualities, not of the original, lost tooth, but of whatever creature finds it, so the creatures of choice would be those world-class champers, the rodents.

这种习俗依据的民间观念认为，新牙长出来时不具有原先脱落的牙齿的特质，哪种动物发现了掉下来的牙，新牙就具有那种动物的牙的特质。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。