目的探讨包含下颌骨的不同张口位tmj三维有限元模型的建立方法。

Purpose To explore a method reconstructs TMJ 3d finite element models of different mouth opening.

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无牙颌建位与正常人位无显著差异，从无牙颌位至最大张口位下颌突度的变化差异显著。

From the edentulous position to the largest open position, the mandibular protrusion showed marked difference at 5% level of significance.

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结果常规前位及张口上仰位三相骨显像对颞颌关节紊乱综合征的阳性检出率分别为70 .83%、87.50 %。

Results The diagnostic positive rates in usually anterior position and "mouth open and face upward" were 70.83% and 87.50% respectively.

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