Results:Close anatomical relation was observed between TMJ with the frontal branch of facial nerve,the transverse facial artery and vein,as well as the auricular nerve and vascular plexus.

• 外耳道前倾角、关节结节后斜面斜度、关节窝最薄处骨壁厚度和等测量数据对术者的操作是十分重要的参数值。