The alveoli dentales height of upper and lower molar shows no significant difference.
上下颌磨牙段牙槽骨高度三组无差异，基本处于参考范围内。
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。
Body sizes for fossil taxa were estimated using regressions of body weight based on the area of the first lower molar for most species and on other teeth or limb bones for a few species.
大多数化石种类的体重通过下第一臼齿面积与体重的回归公式来估计，少数种类用其他牙齿或肢骨来估计。
Objective To examine the therapeutic effect of stellate ganglion block(SGB) or stellate ganglion block plus electroacupuncture on paralysis of lower lip induced by extraction of third lower molar.
目的探讨星状神经节阻滞（SGB）治疗阻生齿拔除术诱发下唇麻痹后疗效。
Aim: To find out the sensitive drugs after studying the contents of the pockets of 30 lower third molar pericoronitis.
目的：对30例下颌第三磨牙冠周炎盲袋内的内容物行细菌学研究，希望能筛选出临床治疗冠周炎的敏感药物。
When occlusion by molar and premolar of fracture part, the stress of upper fracture part was bending force and the lower was compressing force.
患侧磨牙、前磨牙咬合骨断层应力分布下部为张力带、上部为压力带。
Objective to study the influence of different shape of lower jaw on stress distribution at bone interface in the mandibular molar region of implant restoration models.
目的模拟单个下颌磨牙缺失的种植修复，分析不同下颌骨形态对种植体骨界面应力分布的影响。
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。
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。
The Molar number of hydrochloric acid needed to dissolve a certain amount of clinker, calculated with the chemical reaction formular, was always lower than that of practical used.
根据化学反应方程序计算出溶解一定质量的水泥熟料需要盐酸的摩尔数，结果发现该值明显低于测定水泥酸不溶物常用的摩尔数。
Method: 29 lower first molar Spaces were observed and the height of alveolar crest before and after treatment were analyzed with paired-t tests.
方法：观察下颌第一磨牙陈旧性拔牙间隙29处。测量矫治前后该处牙槽嵴高度，将测量值进行配对t检验。
Method: 29 lower first molar Spaces were observed and the height of alveolar crest before and after treatment were analyzed with paired-t tests.
方法：观察下颌第一磨牙陈旧性拔牙间隙29处。测量矫治前后该处牙槽嵴高度，将测量值进行配对t检验。
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