Objective To observe the effect of overdose fluoride on the expression of enamelin in rat mandibular incisor.
目的研究过量氟对大鼠下切牙发育过程中釉蛋白表达的影响。
Purpose To analyse the characteristics of mandibular incisor point chewing movement on frontal plane orbit in youth of normal occlusion.
目的分析正常(牙合)青少年下颌切点额状面咀嚼运动轨迹的特征。
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。
The two root canals, root canal diverge and root canal branch et al have considerable incidence. Besides, mesial-distal root canal walls of mandibular incisor teeth are thin.
下颌切牙中，双根管、根管分支和根管分歧都有一定的发生率。
The inferior alveolar nerve at the end of mandibular canal is divided into two branches: the incisor nerve and the mental nerve.
下牙槽神经的终末支颏神经和切牙神经分别走行与上述两管内。
The inferior alveolar nerve at the end of mandibular canal is divided into two branches: the incisor nerve and the mental nerve.
下牙槽神经的终末支颏神经和切牙神经分别走行与上述两管内。
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