牙齿之间的

Three cross-sections were made through crown and gingiva of the model tooth. Curve functions of axial buccal crown and gingiva contour of each section were acquired by means of curve fitting, and the angle of emergence pofile was calculated, which represents the degree of undercut.

以下颌第二前磨牙为研究对象，在牙列模型上通过牙冠部、牙龈作3个纵断面，用曲线拟和的方法得到每个断面的牙齿轴面外形及相应牙龈外形的曲线方程，以此分析两者之间的关系并计算牙冠起始外形角度，即倒凹程度的大小。

Use dental floss to clean between your teeth and remove any trapped food that could cause tooth decay.

使用牙线清洁之间的你的牙齿，并移除任何被困的食物，可能会导致蛀牙。

This study was designed to show whether extrusive orthodontic movements have negative effects on the gingival tissues, and to detect the relationship between tooth extrusion and the width of the keratinized gingiva.

这项研究的目的是要表明是否喷出正畸运动产生不利影响的牙龈组织，并检测之间的关系牙齿挤压和宽度的角化牙龈。

In addition to regular dental visits, the ADA recommends eating a well-balanced diet, maintaining daily oral hygiene by brushing teeth twice a day with fluoride toothpaste and cleaning between teeth at least once a day with floss or an interdental cleaner.

除了经常性的牙科访问，阿达建议进食良好的均衡饮食，保持口腔卫生，每天由刷牙，每天两次与含氟牙膏和清洁牙齿之间，至少每天一次与牙线或一间清洁。

Calyx 5-parted, 2-dentate between lobes, strongly enlarged in fruit, bilaterally compressed, becoming somewhat clamshell-shaped, with distinct reticulate venation, irregularly emarginate-serrate; lobes unequal. Corolla violet or white, tubular; throat appendaged; limb 5-parted.

花萼5深裂，在裂片之间的具牙齿的2，强烈在果期扩大，两侧压扁，不规则，变得有点蛤壳形成，具离生网状脉序有锯齿；裂片不等长花冠紫色的或白色，管状；喉附属物；瓣片5深裂。

Its tongue is thick and round and dangles from between crooked, yellow teeth.

它的舌头很厚，并悬掉在黄色而又弯曲的牙齿之间。

Objective: The aim of this study is to investigate whether orthodontic extrusion movements have negative effects on the gingival tissues, and to detect the relationship between orthodontic tooth extrusion and the width of the keratinized gingiva.

目的：本研究以调查是否正畸挤压流动产生负面影响的牙龈组织，并检测之间的关系正畸牙齿挤压和宽度的角化牙龈。

Not a few sufferers who there is a tooth getting sick for week usually discover that his/her own tooth slowly took place a wrong, the of ex- tooths also appeared blind side, and seriously influenced face beauty more and more and greatly, a lot of sufferers feels distress for this.

不少有牙周病的患者常常会发现自己的牙齿慢慢的发生错位了，前牙之间也出现了缝隙，并且越来越大，严重影响了面部美观，很多患者为此感到苦恼。

He took a reel of dental floss from his waistcoat pocket and, breaking off a piece, twanged it smartly between two and two of his resonant unwashed teeth.

181他从背心兜里掏出一卷清除牙缝的拉线，扯下一截，灵巧地用它在那未刷过的两对牙齿之间奏出声来

Climb milling also allows greater feeds per tooth and longer cutting life between regrinds than conventional milling.

攀登铣削还允许更多的资讯和更长的每颗牙齿之间regrinds切削寿命比传统铣削。

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