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- The branch of dentistry that deals with diseases of the tooth root, dental pulp, and surrounding tissue. 牙髓病学研究牙根、牙髓及其周围组织疾病的牙医学的一个分支
- The branch of dentistry that deals with diseases of the tooth root,dental pulp,and surrounding tissue. 牙髓病学，研究牙根、牙髓及其周围组织疾病的牙医学的一个分支。
- Considering the time-variant mesh stiffness, the calculated results demonstrated the change of tooth root bending stress in one engagement period. 计算结果揭示了由于时变啮合刚度的影响齿根弯曲应力在一个啮合周期的变化规律。
- A dental implant is an artificial tooth root that a periodontist places into your jaw to hold a replacement tooth or bridge. 种植牙是一种通过专科医生植入颌骨的人工牙根;用以镶复牙冠或牙桥.
- Methods Tooth root Injected solidified calcium phosphate cataplasm tube, then pressed with gutta peneha points. 方法自固化磷酸钙充填糊剂根管内注入后加牙胶尖挤压。
- Tooth bone is form tooth root surface layer, the strong organization with yellower colour and lustre. 牙骨质是构成牙根表层的、色泽较黄的硬组织。
- 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。
- Below normal circumstance, whole package buries tooth root in tooth chamfer bone. 正常情况下，牙根整个包埋于牙槽骨中。
- Compared with a standard involute gear, the unsymmetric involute gear could efficiently improve the tooth root bending strength by finite element analysis. 对实例的有限元分析表明非对称渐开线齿轮的齿根弯曲强度比对称齿轮有较大提高。
- CONCLUSION:SHIP exists during the resorption of primary tooth root and is absent during the stableness of primary tooth root and the pe... 结论:SHIP在乳牙根吸收期表达阳性,在乳牙根稳定期和恒牙根期表达阴性,提示其在乳牙根吸收过程中发挥重要作用。
- With the advent of dental materials and technology, we can replace a broken tooth root with a titanium root analogue, that is, dental implant. 随着物料和技术不断进步，我们已经可以利用钛金属制物质代替已坏死的牙根，这便是义齿种植了。
- To avoid the saddle-backing on the tooth root, the undercutting problem in the rough-plane process should be solved before heat treatment process. 为避免在精加工后齿形根部留有凸台,在热处理前的粗加工时,就应该解决“根切”问题。
- 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 carburizing quenching can raise the surface microhardness of gear, but the carburized layer thickness of tooth root is too thick to worsen the quality of gear. 渗碳淬火可以提高轮齿表层的显微硬度，但齿根渗碳层厚度较大，对齿轮质量不利；
- Conclusion Calcium-hydroxide-iodoform paste used for apexification has antisepsis,anti-inflammation,and is very helpful to improve development of tooth root. 结论：在根尖诱导成形术中，应用氢氧化钙碘仿糊剂，有防腐、抗感染、促使牙根继续发育和根尖形成的作用。
- North American herb with pungent scaly or toothed roots. 北美的一种植物，根茎有类似齿状鳞片覆盖。
- Hypoplasia of teeth root (HTR) disease is a disorder with physiological development of tooth root. 摘要牙根发育不良疾病是牙齿根部生理性发育出现障碍的疾病。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- This tooth is sensitive to cold. 这颗牙对冷过敏。
