The algorithm and formulas to determine the size of tip relief modification of pre shaving gear hobs are put forward. A principle to determine the lead width of tooth roots is also presented.
给出了剃前齿轮滚刀修缘尺寸的计算方法和计算公式，并对滚刀齿根的齿间槽宽提出了更为合理的判断原则。
Analysis shows that the distribution of meshing points is a function of the axial circular pitch, the axial space of two meshing points on a tooth and the effective width of the gear.
计算分析认为，双圆弧齿轮的啮合点分布情况是齿轮的轴向周节、同一轮齿上两啮合点在轴向的距离和齿轮的有效宽度的函数。
Conclusion (1) Insufficient basal bone width and excessive tooth size were the main causes of tooth crowding and tooth removing treatment.
结论：1 .基骨宽度不足、牙齿过大是造成牙列拥挤和拔牙矫治的主要原因。
A new type of productive hob which can change the cut width and depth on each tooth of the hob is presented in this paper. It's title is turn cutting hob.
本文提出了一种通过改变滚刀每个刀齿的切削厚度与切削宽度的，新型的高生产率滚刀—轮切式齿轮滚刀。
A width of the first end of each tooth is substantially greater than a width of the second end of each tooth.
每个齿的第一端的宽度基本上大于每个齿的第二端的宽度。
Objective: To investigate the effects of tooth extraction on dental arch width and alveolar bone width.
目的：研究拔牙矫治对牙弓宽度和基骨宽度的影响。
Objective The objective of the study is to obtain the data of the arch width of the children in Zhenghe, Fujian, and to know the development regularity and characteristics of the growth of the tooth.
目的 了解福建省北部地区政和县儿童牙弓宽度，为研究当地儿童牙弓宽度生长发育的规律和特点提供依据。
Objective: Statistical analysis of mandibular molar mesiodistal crown width and tooth length and development of root.
目的：统计分析下颌第一、第二、第三磨牙牙冠近远中宽度、牙体长度、分根情况以及相关因素。
The advantages of the method are that the tooth profile of the workpiece is not necessary and the width and radius of the disc cutter can also be given at the same time.
该方法具有以下优点：无需知道工件齿形，可同时获得刀具宽度、半径等参数。
The analysis is done to the mechanism of the less damage of the pricker roller. Conclusion is made that the tooth width of the wire may be the cause of the more damage of the wire roller.
并就刺针刺辊对纤维损伤小的机理进行了分析，提出齿条刺辊齿顶齿宽远大于刺针针尖直径，可能是齿条对纤维损伤较大的原因之一。
Therefore, the analysis of maxillary to mandibular tooth-width ratios sone important diagnostic tool for predicting the outcome of orthodontic treatment.
因此，上下颚间牙齿宽度大小比例的分析，是一项对于预测矫正治疗结果之重要诊断工具。
Therefore, the analysis of maxillary to mandibular tooth-width ratios sone important diagnostic tool for predicting the outcome of orthodontic treatment.
因此，上下颚间牙齿宽度大小比例的分析，是一项对于预测矫正治疗结果之重要诊断工具。
应用推荐