查询词典 tooth fairy

The tooth stone calculus is the mineral quality of calcify that adheres to in the tooth hat or the tooth neck.

牙结石是附着在牙冠或牙颈部的钙化的矿物质。

Tiger tooth namely canine teeth, be top two single sharp tooths of the Han, at the age of 23 outwardly Pi, be like the tooth of tiger quarrel very much, so call "tiger tooth".

虎牙即犬齿，就是上颌的两颗单尖牙，在十二三岁时向外毗出，很像老虎口角的牙齿，故谓"虎牙"。

Analyse the tooth geometry of Klingelnberg Cyclo-Palloid spiral bevel gear.,according to the relative position and kinematic relation of the cutter heads,virtual crown gear and the processed wheel blank,established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg Cyclo-Palloid spiral bevel gear, and drawing the three-dimensional graphs of the virutal crown gear and Klingelnberg Cyclo-Palloid spiral bevel gear according to the design and setting parameters.

根据铣齿加工中刀盘、摇台和轮坯的相对位置和相对运动关系建立了切齿啮合坐标系，由矢量的旋转推导了产形轮齿面方程；根据空间啮合原理和切齿啮合关系推导了被加工齿轮的齿面方程；由设计参数和铣齿调整参数计算得到齿面离散数据，绘制了产形轮和摆线齿锥齿轮的三维齿形。

The result unplugs tooth time 5 ～ 42min, average (18.7 ± 5.3)min, without the person that affect badly, without adjacent tooth injury, unplug tooth area does not have the haemorrhage after art, disease of chamfer of have nothing to do with happens, have after art spend oedema, aching, dehisce gently to suffer be restricted.

结果拔牙时间5～42min，平均(18.7±5.3)min，无严重感染者，无邻牙损伤，拔牙区无术后出血，无干槽症发生，术后有轻度水肿、疼痛、张口受限。

Comparing the chordal actions of double-tooth and single-tooth chains, the single-tooth design is better because its chordal action is smaller.

本论文并比较齿形双目链与齿形单目链的弦线作用，发现齿形单目链模式Ⅱ其弦线作用最低，齿形单目链模式Ⅰ次之，而齿形双目链弦线作用是最大。

In this paper, taking the equdistant curve of short spoke epicycloid as original tooth profiles, the conjugate internal gear tooth profiles (quasi-cycloid) and the pinion cutter tooth for cutting the internal gear are obtained.

本文以短幅外摆线的等距线为原始齿廓，求取了与之共轭的内齿轮齿形及切削这种内齿轮的插齿刀齿形，并寻求了用三圆弧替代插齿刀齿形的方法。

Delicate Check: sleeve crown of false tooth, magnetism fixed false tooth and other delicate attachment of false tooth

精密修复：套筒冠义齿，磁性固位体义齿，栓道义齿等精密附着体义齿

And he is good at root canal therapy, beauty and white teeth, periodontal disease, pull out wisdom tooth and all kinds of movable false tooth repair and white such as CEREC3D, all ceramic, ceramic inlay, veneering,noble metal Crown, ect.. Studying in tooth implant field in-depth.

擅长显微根管治疗，牙齿美白，牙周病的系统治疗，智齿的拔除以及各类义齿的修复，特别是CERC 3D全瓷冠，瓷嵌体，瓷贴面，贵金属烤瓷牙等高端烤瓷牙的美容修复，在牙齿种植领域具有较深的研究。

After analyzing the curvature of the forming surface and the relativ emotion between the forming surface and the curved tooth surface during envelope tooth cutting,the authors work out the equations for calculating the induced normal curvature and geodesic deflection,the principal curvature and direction of the tooth surface of this kind of circular-arc gear .

通过对产形面曲率和包络切齿时产形面与齿曲面相对运动关系的分析，推导出双向圆弧齿轮齿面的诱导法曲率、诱导短程挠率和齿面的主曲率、主方向等计算公式。

So not only can the clearance food remnant, the tooth noodles germ spot and dental calculus filth, prevent°from the formation and deposition of tooth stone calculus, and can also rise to massage a gum, promote blood circulation, strengthen a tooth to organize for week of the function of anti-disease ability.

这样不仅可清除食物残渣、牙面菌斑、牙垢污物，防止牙结石的形成和沉积，而且还能起到按摩牙龈，促进血液循环，增强牙周组织的抗病能力的作用。

In a sense, we are all descendants of the nobility, whose ancestor Hilltop.

从某种意义上，我们都是贵族的后裔，祖辈显达。

The activity of Urase and Sucrase in different degradation stages showed significant variance (P.05); the activity of Urase in different soil layers were significant P.

草甸退化使土壤脲酶和蔗糖酶活性出现了显著变化(P.05)，脲酶活性在不同土层间差异显著(P.05)，蔗糖酶没有表现出土体层次性差异；相关分析表明，高寒草甸的土壤酶活性与营养成分含量之间相关不显著。