Result: the three-dimensional models of the first maxillary molar residual root restored with post-core crown were generated.
结果：建立了上颌第一磨牙残根桩核冠的三维有限元模型。
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。
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。
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