The capillary network close to the root of tooth.
靠近牙根侧为毛细血管网。
Its unable to repair dowel crown because of its shorter root of tooth.
残根太短，一般无法利用桩冠修复。
This article, first, mathematical models of one kind of gear fault in one— stage gearbox (the fatigue crack on root of tooth) are established on the basis of gear dynamics.
本文以齿轮动力学为基础，推导并建立了单级齿轮传动的一种齿轮失效的数学模型，即：齿根裂纹数学模型。
The tooth also had all the components of normal teeth, including enamel, crown and root, and connective fibers to fix it to bone.
培育的牙齿还具备正常牙齿的所有组成成分，包括釉质、齿冠和牙根，以及使其固定于骨头的结缔组织纤维。
The procedure used on McNichol involved his son Robert, 23, donating a tooth, its root and part of the jaw.
麦克·尼克23岁的儿子罗伯特参与了他的手术，他为父亲提供了一颗牙齿及其牙根，以及下巴的一部分。
A tooth with a single cusp. cuspids have the longest root of any tooth. also known as a canine.
只有一个牙尖的牙齿。任何一个尖牙都有一个较长的牙根。也称为犬齿。
I have a root canal filling in one of my teeth. The tooth is changing color. Can anything be done about it?
我有一颗牙在牙根管里补过。现在这颗牙变了颜色，有什么办法可以解决？
Methods Hemisections were performed on reserved canals of incomplete tooth fracture, complete root fracture and furcation involvement after root canal therapy.
方法选择隐裂、根折或根分叉病变患者，对欲保留牙根进行根管治疗后，行半牙切除术。
CONCLUSION: the tooth type or tooth position, root curvature and calcification have significantly influenced the outcome of root canal treatment.
结论：根管治疗的失败与牙位(牙类型和牙位置)、根管弯曲度和钙化度密切相关。
Do you see this gray area around the root of this tooth?
你能看见这颗牙齿齿根周围的灰色部分吗？
But the lose of the activity of periodontal ligament cells and root replantation has influenced the successful rate of tooth replantation for a long time.
牙再植术的历史悠久，但是脱位牙根面部分牙周膜细胞活性丧失、牙根吸收，影响着牙再植术的成功率。
On the other hand, a hard-bristled brush, coupled with vigorous brushing can result in recession of the gums and the abrasion of tooth enamel and exposed root surfaces.
另一方面，硬毛牙刷刷，刷的积极可能导致经济衰退的牙龈和牙齿的珐琅质磨损，暴露根耦合表面。
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。
Root resorption of deciduous tooth without permanent tooth germ was significantly delayed than the deciduous tooth with permanent tooth germ.
恒牙胚缺失的乳牙牙根吸收明显晚于恒牙胚存在的乳牙。
Objective We treats the stubborn lower jaw rubs root of a tooth point Zhou Yan.
目的治疗顽固性下颌磨牙根尖周炎。
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。
CONCLUSION: Residual root being used for fixed-bridge abutment tooth may reduce healthy tooth being used in abutment tooth, and it can enlarge indications of repairing fixed-bridge.
结论：利用残根作为固定桥基牙，可以减少使用健康牙作基牙，并能扩大固定桥修复的适应证。
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。
Objective to evaluate the validity of simulated resin transparent tooth models used in the pre-clinical practice training of root canal therapy.
目的评价在根管治疗术的临床前操作训练中树脂透明牙模型的作用和效果。
Thickness of the tooth body; Root canal therapy; Research.
牙体壁厚度；根管疗法；研究。
After perfect root canal therapy to the residual root and crown of the front tooth, it is the main repair method to utilize a post and core crown at present.
前牙残根残冠经过完善的根管治疗后，利用桩核冠修复在目前是主要的修复方法。
Objective to investigate the difference between digital periapical film and conventional film in the evaluation of tooth length and root resorption.
目的探讨数字化根尖片和普通根尖片在评价牙齿长度和牙根吸收方面的差异。
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。
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。
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。
The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.
恒牙胚是引起乳牙生理性根吸收的重要因素，但却非唯一的因素。
The most dangerous point is at the root of the first engaged tooth of a joint. Generally, the biggest values of stress and strain may exceed the yield limit.
最危险点在接头的第一啮合齿的齿根处，最大应力应变值一般均超过屈服极限。
The most dangerous point is at the root of the first engaged tooth of a joint. Generally, the biggest values of stress and strain may exceed the yield limit.
最危险点在接头的第一啮合齿的齿根处，最大应力应变值一般均超过屈服极限。
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