磨牙

You're on uppers You're on diet pillsain't you?

你在磨牙你在吃减肥药是吗？

With a small wooden spoon to feed her or to buy some bread to her teeth.

用小木勺喂她或买些磨牙饼给她。

Result:The rate of C-shape canals was 32.26%,all roots were fused buccally.

结果：62个下颌第二磨牙中C形牙根的发生率为3 2 。2 6%，均在颊侧发生融合。

AIM:To determine the frequency and degree of root canal curvature of human mandibular premolars in buccolingual directions.

目的：确定人下颌第一、二前磨牙的颊舌向根管弯曲程度和情况。

Objective To determine the frequency and degree of root canal curvature of human maxillary first premolars in buccolingual directions.

目的 确定人上颌第一前磨牙的颊舌向根管弯曲程度和情况。

Majority of the four root canals of first maxillary molars showed curvatures at varing degrees in mesiodistal and buccolingual directions, and the second curvatures of them were different too.

上颌第一恒磨牙四个根管在近远中方向、颊舌方向均有不同程度的弯曲，其第二弯曲出现的情况也各不相同。

Radiograph of teeth in buccolingual and mesiodistal directions with 15#~20# reamers in root canals calculated and recorded for both views using Photoshop6.0 by computer.

收集南京地区80例上颌第一恒磨牙，在根管中分别插入15#~20#扩大针，拍摄近远中向和颊舌向X线片，用Photoshop 6.0软件测量分析根管弯曲位置、弯曲方向和弯曲角度。

Objective To evaluate the effects of distalization of upper molar by extraoral arch and lip bumper.

目的：研究口外弓配合唇档远移磨牙的临床应用及其疗效。

extraoral arch and lip bumper were efficient for distalization of upper molar.

只要病例选择合适，方法运用得当，口外弓配合唇档就能获得较满意的远移磨牙的疗效。

Key words: extraoral arch;lip bumper;angle II;distalization of upper molar

口外弓；唇档；安氏II类；磨牙远移

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐