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对159例重症颅颌功能紊乱（重症CMD）患者的临床表现与颞颌关节（TMJ）病症进行对照观察。结果：125例同时具有TMJ疼痛、弹响和张口受限中两项以上症状；136例（85．53％）存在TMJ压痛，其中不可复性盘前移位（ADDWR）患者为95．16％，盘穿孔（DP）患者为100％，以髁突区压痛最多；张口受限91例（57．23％），全部伴关节压痛且下颌偏向患侧，其中73．63％存在ADDWR或DP；113例（71％）有TMJ弹响，其中86．46％为开口中末期以及开闭口全过程弹响，并且以低钝和破碎声弹响为主（占71．69％），弹响性质与TMJ内病变情况有关。
The clinical manifestations of 159 patients with severe craniofacial dysfunction (severe CMD) were compared with those of temporomandibular joint (TMJ). Results: There were more than two symptoms of TMJ pain, snapping and mouth opening restriction in 125 cases. TMJ tenderness was found in 136 cases (85.53%), of which 95.16% were nonretinal anterior disc movement (ADDWR) (100%) in the perforation of the disk (DP). The condylar area had the highest tenderness. The mouth was limited in 91 cases (57.23%). All the patients had joint tenderness and the mandibular deviation to the affected side, of which 73.63% had ADDWR or DP. Among 113 cases (71%) TMJ snapping, 86.46% of them were snapping at the end of the opening and the whole process of opening and closing, and were mainly dull and broken (71.69%), And TMJ lesions related.