tooth root的例句大全

Objective To analyze the effect of preserving severely damaged teeth such as stubbed tooth root 、 crown and vertically fractured tooth through compositive therapy.

目的利用综合治疗，对残根、残冠、纵折牙等严重缺损牙进行保存治疗并分析其疗效。

effect of the friction between teeth on the bending stress at the tooth root of helical gear

齿间摩擦对斜齿轮齿根弯曲应力的影响

CAD of Tooth Profile and Easement Curve in Tooth Root for Cylindrical Gears

圆柱齿轮齿形及齿根过渡曲线的计算机设计方法

At present, it has been proved that OC and OD are two important functional cells involved in the physiological absorption of deciduous tooth root and the formation of the tooth eruption passage.

现已证实，OC和OD是参与乳牙根生理性吸收和萌出道形成的两种重要功能细胞。

research on the bending stress in tooth root of double circular-arc gear

双圆弧齿轮齿根弯曲应力的研究

finite element analysis of the tooth root bending stress. of an unsymmetric gear with double pressure angles

双压力角非对称齿廓齿轮齿根弯曲应力的有限元分析

Bending Fatigue of the Tooth Root of the Driving Gear in the Increasing Speed Gearing of the Armoured Vehicle

装甲车增速齿轮传动中大齿轮齿根的弯曲疲劳

developing apical complex is the growth regulating center of tooth root and periodontium development

发育期根端复合体是牙根牙周发育的生长调控中心

It has been proved that OC and OD are two important function cells involved in the absorption of deciduous tooth root and alveolar bone, they blazed a way for the erupting permanent tooth germs.

现已证实，OC与OD是参与吸收乳牙根、牙槽骨等组织的重要功能细胞，并为恒牙胚的发育和萌出创建通道。

Two formulas of compound shaper cutter are ob-tained. They are used to calculate the pitch pressure angle of chamfer involute and radius of circle on which chamfer involute starting point lies, and to check the tooth root slot width.

得到了复合插齿刀倒角渐开线分度圆压力角，倒角渐开线起始点所在圆半径的设计公式及插齿刀齿根槽宽的验算公式；

Objective To study role of dental follicle in tooth root development.

目的研究牙囊在牙根发育中的作用。

The study shows that the stress in tooth middle is larger than that in tooth root with big spiral angle and light load.

研究表明，大螺旋角或小载荷时，齿腰应力大于齿根应力。

Experimental Study of the Dental Follicle ′ s Function in Tooth Root Development

牙囊在牙根发育中作用的实验研究

analysis of tooth root bending stress for spiral bevel gears

弧齿锥齿轮齿根弯曲应力分析

Results: bmp3 was found in dental sac surrounding the germs at the early stage of tooth root development, and in cementoblasts and periodontal cells at the later stage.

结果：bmp3的表达始于牙根发育早期的牙囊组织，之后转移到成牙骨质细胞和牙周膜细胞中；

The bottom face of each tooth edge is processed with an inclined swallow-tailed groove combined with each tooth root or a stepped inclined swallow-tailed groove.

每个齿刃的底面加工有与齿根组合的斜燕尾状凹槽，或者是阶梯式斜燕尾状的凹槽。

An Analytic Calculation Method for the Tooth Root Bending Stress of Asymmetric Plastic Gear

非对称塑料齿轮弯曲应力的解析法计算

it pointed out that the design of gear cutter should greatly increase the tooth point arc so as to reduce the stress concentration to increase the force of tooth root.

指出通过计算作出图形，可分析出滚刀齿顶圆弧的设计是否合理。

Objective: To evaluate whether the renal capsule is a suitable implanting place for tissue engineering of tooth root and periodontal tissue.

前言：目的：评价肾被膜作为组织工程牙根和牙周组织的种植环境。

METHODS: Screw thread root canal spiles and resin tooth products were used to rehabilitate tooth root all in once to cases of residual crown, residual root, or traumatic odontoclasis based on complete root treatment.

方法：残冠、残根、外伤牙折在完善的根管治疗的基础上，采用螺纹根管钉与成品树脂牙一次性桩冠修复。