root of tooth
英 [ruːt ɒv tuːθ]
美 [ruːt əv tuːθ]
网络 牙根
双语例句
- 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。 - When do root canal treatment, removal of tooth mass and the more conservative, the better to keep the more ivory.
在做根管治疗时，齿质的去除愈保守愈好，以便保留多一些齿质。 - Our lab recently developed a reliable and user-friendly plasma jet device, which can generate plasma inside the root canal of a tooth.
最近我们实验室研制了一种在牙齿根管内部能产生等离子体喷流的装置，此装置安全可靠且极易操作。 - This review will introduce odontclast and its related signal cascades and the cor-relation of permanent successor with physiological root resorption of primary tooth.
下面就破牙细胞及其相关信号通路、继承恒牙胚对乳牙根吸收的影响和继承恒牙胚缺失下的乳牙根吸收作一综述。 - 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。 - By studying the distribution of the stress, the fracture in root part of the tooth is testified and the cause is found.
通过研究应力分布，证实齿根开裂现象的发生，找到齿根开裂的原因。 - 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。 - Cuspids have the longest root of any tooth.
任何一个尖牙都有一个较长的牙根。 - The capillary network close to the root of tooth.
靠近牙根侧为毛细血管网。 - Main parameters and defects of traditional design on tooth clutch are pointed, an optional mathematic model of main parameters is built with a target function of minimum bending stress in tooth root of tooth clutch.
指出牙嵌离合器的主参数和传统工程设计的不足，建立了以齿根弯曲应力最小为目标函数的牙嵌离合器主参数优化的数学模型。 - It is very important to improve the surface characteristics of titanium alloy ( Ti6A14V) for developing medical treatment appliance as artificial bone, such as artificial joints artificial root of tooth and artificial bone, etc.
钛合金表面改性对于开发用于骨植入的医疗器械，如人工关节、牙根种植体、人工骨等有重要意义，是当今生物医学材料研究的前沿课题之一。 - Results To observe 309 labial teeth with metal ceramics dummy for 3 months-4 years. A root of tooth was longitudinally broken for 1 case. The rest curative effect was satisfaction.
结果309例金属烤瓷修复的前牙，经3月～4年观察，1例因牙根纵折失败，其余疗效满意。 - Objective To analyze the stress variations of the root canal wall of pulpless tooth by different root canal preparations.
目的分析用常规法根管预备和逐步后退法根管预备对无髓牙在咬合过程中根管壁应力变化的影响。 - In the present work, the stress distribution of UHMWPE gears were simulated based on Arruda-Boyce model, and the results showed that the greatest stress lay in the root of gear tooth.
采用超弹性的Arruda-Boyce模型来模拟超高分子量聚乙烯齿轮在工作状态下的应力分布，计算结果表明：超高分子量聚乙烯齿轮的最大应力出现在齿根部位。 - Test on Bend Stress of Root of Tooth of Rolling Cone Worm Wheel Based on the Resistance Method
基于电阻法的滚锥蜗轮齿根弯曲应力测试 - The abrasion between the flash of root of tooth and the upper die/ the movable container is most seriously;
在齿根飞边区与上模或活动凹模间的摩擦磨损最严重； - The stress in thread head and the root of first engaged tooth on tail beyond yield limit.
螺纹端部和尾部第1啮合齿的根部已进入屈服区。 - Finite element analysis of gear's bend strength for different transitional curves at thc root of tooth
不同齿根过渡曲线的齿轮弯曲强度的有限元分析 - Through the test and investigation of the root stresses of the loaded tooth and the teeth next to it, the distribution patterns of the root stresses are obtained and a method of the gear bending-fatigue test by loading on every other tooth is prop-osed.
本文通过对受载轮齿及其相邻齿齿根应力实验研究，得出相邻齿根应力的分布规律，并提出间隔一齿加载的轮齿弯曲疲劳试验方法。 - The stress at the cervical third of the root of the tooth restored with the ENDODONTIC fiber post is relatively higher than that of the tooth restored with PROSTHETIC fiber post.
ENDODONTIC石英纤维桩在根颈1/3应力高于PROSTHETIC石英纤维桩，而根尖1/3处两种桩的应力分布无明显区别； - FEM and theory of space engagement incorporated, contact strength, main stress envelope on root of tooth, load distribution among teeth and effect that assembly error to transmission strength has been studied in this paper.
本文利用有限元分析方法，结合空间啮合原理，对侧隙可调式蜗杆传动的接触强度，蜗轮主应力分布，齿间载荷分配以及装配误差等进行了研究。 - 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。 - Results: The common complications were anchorage losed, the root of adjacent tooth absorbed, the ill periodontal attachment, decreased pulp vitality, or pulp necrosis after treatment, and they were associated with the manner adopted.
结果：常见的并发症为矫治中支抗丧失、邻牙牙根吸收，矫治后牙周附着不良、牙髓活力下降甚至坏死等，其发病与采用的术式有关。 - 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。 - Load spectrum determination of tubing inwall proves the tubing is acted by the axial alternating load in a rod pumped well, and all the fractures are located at the root of the tooth.
油管内壁载荷谱测定进一步明确了油管在工作状态下承受轴向拉-拉交变载荷，其断裂部位全部在应力集中的齿根处。对油管断口进行了宏现和微观形貌分析。 - 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 approach the role of OPG/ RANKL/ RANK system in the root resorption of orthodontic tooth.
目的：探讨OPG/RANKL/RANK系统在正畸牙牙根吸收中的作用。 - The traditional gear processing method damages the metal fiber flow line organization, reduces the bending and fatigue strength of the root of gear tooth, and tooth surface abrasion etc. It also results in low productivity, low material utilization, and high production costs as well.
传统的齿轮加工方式，既破坏了金属纤维流线组织，降低了齿轮的齿根弯曲疲劳强度、齿面耐磨性等，同时生产效率低，材料利用率低，生产成本高。 - The discovery would possibly be beneficial to continuous development of the root of young permanent tooth with dental pulp necrosis and apical periodontitis after appropriate treatment.
这一发现可能有利于根尖未发育完成的年轻恒牙发生牙髓坏死以及由此引起的根尖周炎经适当的治疗后牙根的继续发育。 - It established model of arc cylinder gear, and used the FE method to analyze its gear pair tooth flank contact fatigue strengthen and root of tooth bending fatigue strengthen. Compared with other cylinder gear, it had predominant transmission characteristic.
建立了弧齿圆柱齿轮的模型，运用有限元分析的方法对其齿轮副齿面接触疲劳强度以及齿根弯曲疲劳强度进行了分析，并与其它圆柱齿轮进行比较，显示了其优越的传动特性。