Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
OD to 15 mm below tooth root, ie tooth zone.
从外径最外侧到齿根下15毫米，即齿区。
After withdrawal of traction force, tooth root and periodontal tissue were gradually repaired.
停止加力后，牙根及牙周组织逐渐修复。
CONCLUSION The clindamycin loaded coral paste is an ideal front tooth root canal filling material.
结论珊瑚克林霉素糊剂是一种较理想的前牙根管充填材料。
However, the research on the bending strength of large module gear tooth root is scarce until now.
但是，目前对大模数齿轮弯曲强度的研究还比较少，因此研究大模数齿轮轮齿弯曲强度具有重要意义。
And it analyzed that hob tooth height and tooth top pour round radius impacted on gear tooth root crooked stress.
分析了滚刀齿高和齿顶倒圆半径对所切齿轮齿根弯曲应力的影响。
Objective: to evaluate the capability of the apical tissue of rat molar to grow tooth root and periodontal tissue.
目的：探讨大鼠磨牙牙根根端组织发育牙根和牙周组织的能力。
This paper discussed the relationship between the involute pitch of tooth root and tooth profile involute in hobbing.
本文阐述了滚刀滚齿时齿轮齿根过渡曲线的延长渐开线的等距线与齿轮齿形渐开线的关系。
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。
Tooth coronal and tooth root boundary show one arc curve, call tooth neck, renown neck predestined relationship or neck line.
牙冠与牙根交界处呈一弧形曲线，称为牙颈，又名颈缘或颈线。
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
The speed reducer gear tooth surface through contact fatigue strength to calculate, through the tooth root bending fatigue strength check;
减速器中齿轮通过齿面接触疲劳强度来计算，通过齿根弯曲疲劳强度验算；
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。
According to the normal design method the former involute spline gear shaper cutter often has different size of its tooth top and tooth root.
按常规方法设计的大压力角渐开线花键插齿刀，常出现刀具齿顶宽太小和齿根槽太窄的问题。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
Conclusion: There is no effect on the whole compressive strength and resistance to cyclic fatigue of tooth root after prepared within 0.08 taper.
结论：根管预备后锥度在0.08以内对牙根的整体抗压性能和抗疲劳性能无明显影响。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
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。
It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.
结果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧性有不同程度的影响。
The whole calculating course realized the automatic definition of loads and boundary conditions and found out the value and position when the tooth root has maximum stress.
整个计算过程实现了载荷和约束的自动施加，找到了齿根的最大应力及其位置。
Enamel matrix protein is secreted by Hertwig's epithelial root sheath and is responsible for initiating the original formation of acellular cementum on the developing tooth root.
釉质基质蛋白由Hert wigs上皮根鞘分泌，能诱导发育牙根上的非细胞牙骨质的初期成形。
Enamel matrix protein is secreted by Hertwig's epithelial root sheath and is responsible for initiating the original formation of acellular cementum on the developing tooth root.
釉质基质蛋白由Hert wigs上皮根鞘分泌，能诱导发育牙根上的非细胞牙骨质的初期成形。
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