The fistula was connected with mandibular body but the first molar.
外斜线相连，与下颌第一磨牙根尖不相通连。
The fistula was connected with mandibular body but the first molar.
颊瘘与外斜线相连，与下颌第一磨牙根尖不相通连。
The first molar has the most serious tooth wear and the third molar was the lightest.
第一磨牙的磨耗程度最重，第三磨牙的磨耗程度最轻。
The first molar plays an important role during mastication so you need a denture to replace it.
第一个磨牙在咀嚼的过程中发挥着重要的作用，因此您需要用一颗假牙来替换它。
But Longgupo also yielded a mystery jaw fragment, including the fourth pre molar and the first molar.
但龙骨坡还发现了一件神秘的下颌残片，包括第四前臼齿和第一臼齿。
The highest value of all apical areas were in the last molar in Angle II1 model instead of medial root of the first molar in normal occlusion.
安氏II1牙合下颌各牙根尖主应力值均略大于正常牙合，且最高应力值由第一磨牙近中根尖处移至最后一个磨牙根尖处。
Unfortunately, the fourth premolar in the upper jaw is quite large and looks like the first molar in the lower jaw; it is known as a carnassial tooth.
不幸的是，上颚的第四颗前臼齿很大，看起来就象是下颚的第一颗臼齿，这颗前臼齿也被称作叫裂齿。
Methods the first molar was welded with a molar root movement controller, which extending backward and clinging to the edge of second molar dental cervix.
方法在第一磨牙带环上焊接一控根移动杆，其杆向后延伸紧贴第二磨牙牙冠颈缘上。
The third premolar and the first molar of miniature pigs inclinate mesially, and are similar with the first premolar and the first molar of the human beings.
第三前磨牙与第一磨牙长轴为近中倾斜，与人类第一前磨牙和第一磨牙近似。
Objective To solve the problem that the molar propeller moving upper simultaneously two molars distally resulted in the first molar tipping and lingual rotation.
目的探索解决磨牙推进器同时推两个磨牙远移过程中出现第一磨牙向远中倾斜、舌向扭转问题。
Results the average attrition gradation of the teeth in Neolithic population was 3.88. The attrition degree of the first molar was greater than that of the second!
结果新石器时期人类牙齿的平均磨耗级别是3.88级，磨耗程度第一磨牙大于第二磨牙、大于第三磨牙。
Metbods: a two dimensional finite element model was built up to analyse the stress within the periodontal tissue of the first molar, with a reduced tooth eruption-resistant force.
方法：用二维有限元法分析阻萌力减少前后下第一磨牙牙周组织内应力分布的变化。
The recombined fused protein of rats 'opg and physiological saline were injected to the palatine-side mucoperiosteum of the first molar of the experimental group and the control group respectively.
将大鼠opg重组融合蛋白和生理盐水分别注入实验组和对照组大鼠右侧上颌第一磨牙腭侧的粘骨膜下。
So the first approximation is, you can realize that the molar volume of the gas is always much bigger than the volume of the solid or the liquid.
第一个近似是，你会发现气体的摩尔体积，远远大于固体，和液体的摩尔体积。
A couple of days later near the same spot, fossil hunter Alemayehu Asfaw found a piece of a child's jaw with a first molar tooth.
几天以后，在该目击地的附近，化石猎手阿勒迈耶胡·阿斯范(AlemayehuAsfaw)有又发现了一片带有第一臼齿的儿童颌骨化石。
A tooth adapted for tearing apart flesh especially one of the last upper premolar or first lower molar teeth in carnivorous mammals.
裂齿，食肉齿适合于撕裂肉的牙齿，尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿。
An approach based on the graph theory is used to study the relationship between molar refractions of silane and its molecular structure for the first time in this paper.
本文首次用图论方法探讨了硅烷的摩尔折射度与其分子结构之间的关系，提出一个结构基础明确的定量关系。
Objective:To evaluate the contribution of radiogram in diagnosis of primary vertical root facture in mandibular first molar.
目的：评价直接数字化影像技术在下颌第一磨牙牙根纵裂诊断中的作用。
Methods Four different load patterns were added to the three-dimensional finite element model of the maxillary first molar established.
方法采用已建立的上颌第一磨牙三维有限元模型。使用四种不同负荷方式对模型进行加载。
Results All parameters of 14 teeth were achieved The parameter of TM in mandibular incisor was the highest and in mandibular first molar lowest.
结果得到右侧上下颌14颗牙的牙动度参数的正常范围，其牙动度参数的均值以下颌前牙最大，下颌第一磨牙最小。
In this article, we describe the autotransplantation of a supplemental premolar to replace an extracted first permanent molar in a 12-year-old boy.
在本文中，我们描述了自体补充臼齿以取代提取第一恒磨牙在12岁的男孩。
Objective to study the anatomical factors of vertical root fractures (VRFs) on vital pulp of maxillary first molar.
目的分析活髓下颌第一磨牙根纵裂的解剖学病因。
Objective:To compare the changes in third molar position in patients treated with second molar and first premolar extractions.
目的：比较正畸治疗中拔除第二磨牙与拔除第一前磨牙后第三磨牙牙胚位置的不同改变。
Objective To evaluate the clinical effect of preserving the lower first molar with complete vertical fracture.
目的评价保存治疗纵折下颌第一磨牙的临床疗效。
Objective To observe the stress distribution of maxillary first molar and its periodontium in lingual orthodontics.
目的采用有限元的方法研究舌侧矫治过程中上颌第一磨牙牙根、牙周膜、牙槽骨应力分布的特点。
Objective To study the shape and location of root canal orifice in maxillary first permanent molar and provide a morphological basis for locating canal orifice in endodontic therapy.
目的研究上颌第一磨牙根管口形态和位置关系，为根管治疗时寻找根管口提供解剖学依据。
ObjectiveTo observe the effects of the two kinds of rigid fixed bridge design on the stress of the alveolar bone of mandibular first molar after hemisection.
目的观察下颌第一磨牙半切术后两种双端固定桥修复对牙槽骨应力分布的影响。
Objective to search the effect of first molar loss on dentition, periodontium and masticatory efficiency in young people.
目的探讨青年人第一磨牙缺失后对牙列、牙周及咀嚼效率的影响。
Objective To study the reason and preventive means of the acute inflammation during root canal therapy of submandibular first molar.
目的探讨下颌第一磨牙根管治疗术并发急性炎症的原因和防治措施。
Objective To study the reason and preventive means of the acute inflammation during root canal therapy of submandibular first molar.
目的探讨下颌第一磨牙根管治疗术并发急性炎症的原因和防治措施。
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