这是一种镍基软质合金，用于铸造冠、桥，因合金质软所以减轻对颌牙磨损，易操作。
This is a soft nickel-based alloy used for making dental crown and bridge. Since is relatively soft, it can reduce wear of paired jaw teeth. Its processing is easy.
这是一种镍基软质合金，用于铸造冠、桥，因合金质软所以减轻对颌牙磨损，易操作。
This is a soft nickel-based alloy used for making dental crown and bridge. Since the alloy is relatively soft, it can reduce wear of paired jaw teeth. Its processing is easy.
本文通过焊接试验、显微分析和磨损试验论述了以铬、镍、铁基合金代替钴、铬、钨合金作石油钻头牙爪堆焊耐磨合金的问题。
In this article we discussed the possibility of replacement of cobalt alloy by Cr-Ni iron Base alloy in drill bit bearing on the basis of welding test, wearing test and microscopic examination.
应当定期检查管钳，更换已磨损或有伤痕的钳牙及牙床。
Pipe wrenches should be inspected regularly. Replace the heel and jaw section if found to be defective or worn out.
大钳牙必须保持干净，并经常检查。如果有磨损或损伤，必须更换。
Rig tong dies must be kept clean and inspected regularly and must be replaced if worn or damaged.
本发明的目的是，研发一种传递滚筒，其允许用小的耗费和传动装置部件的小磨损实现叼纸牙的控制。
The invention develops a transmitting roller, which realizes the control of gripper through low cost and small abrasion of the transmitting device part.
目的：通过对全口金属垫修复牙列严重磨损和缺失的病例进行回顾性总结。
Objective to make retrospective summary of the use of complete metal occlusal pad to restore severe attrition or deletion of dentition.
结论：高氟低蛋白营养首先影响牙基质的发育，进一步影响矿化，从而使牙齿整体发育不良，过度磨损。
Conclusion: high fluoride and low nourishment would cause underdevelopment of tooth matrix firstly, then affect the calcification of matrix, finally deteriorate the quality of teeth.
楔状缺损需充填和根管治疗的每百人待治疗牙数分别为289.81和10.20； 磨损需脱敏治疗的每百人待治疗牙数为170.20。
The numbers of the teeth needed for treatment per hundred people were 289.81 for filling, 10.20 for root canal therapy, and 170.20 for desensitization treatment.
结论：制作全口金属牙合垫修复牙列磨损及缺失，虽然难度系数较大，但目前仍不失为一种良好的齿科临床修复方法。
Conclusion Fabricating complete metal occlusal pad, though the difficulty coefficient is big, is still a good dental clinical restoration method at present.
结论义齿式牙合板可有效地治疗伴有牙列缺损和牙体磨损的颞下颌关节紊乱病病例。
Conclusion Occlusal splint removable denture was effective in the treatment of TMD with anodontia and serious dental abrasion.
实验室检测显示，这种瓷粉会与唾液反应在瓷层表面形成一个硅羟基层，这个硅羟基层更软，磨损度更小，与传统瓷粉相比对对颌牙更温和。
Laboratory tests reveal it reacts with saliva to form a silica-hydroxyl layer on the ceramic that is softer, less abrasive, and gentler to opposing dentition than conventional porcelains.
分析了牙轮钻头安装和磨损间隙引起牙轮相对牙爪轴线的平移和倾斜对相邻锥体上球齿间隙的影响，通过计算，当牙轮、牙爪轴线轴向、径向平移使球齿的趋近量有抵消的趋势；
The paper analyses the effect of translation and offset angle of the cone axis to shaft one on the gap variation between two ring-button, which position on two cones.
目的：探讨长期咀嚼槟榔与牙体磨损的关系。
Objective to investigate the relationship between tooth abrasion and long-term chewing betel nut.
人体天然牙的磨损是无法避免的。
The wear of human teeth is an inevitable physiological process.
齿轮泵缺点：由于较小的置换容积以及会磨损齿牙，所以只能输送干净的流体；
Disadvantages: the gear teeth due to smaller displacement volume and will wear, so can only transport clean fluid;
四倍大小的牙体病理模型，展示了龋齿、牙石、髓石和咬合磨损等各种病理状态。
Four times the size of the dental pathology model integrated, showing caries, calculus, pulp stones and a variety of pathological conditions such as occlusal wear.
四倍大小的牙体病理模型，展示了龋齿、牙石、髓石和咬合磨损等各种病理状态。
Four times the size of the dental pathology model integrated, showing caries, calculus, pulp stones and a variety of pathological conditions such as occlusal wear.
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