Methods: A series of coronal MR images of the healthy volunteer誷 bilateral TMJ werecollected and reconstructed to establish 3D MR images. 3D FEM was constructed using CAD softwares and ANSYS6.1.

• 方法:对正常志愿者颌面部进行磁共振冠状位扫描。三维重建磁共振影像。应用CAD软件、ANSYS6.；1；建立有限元模型。