本研究的目的是评价有颞颌关节功能紊乱的患者闭颌肌中肌电图静止期的变化。实验对象是48个确诊为颞颌关节功能紊乱的患者,他们有颞颌关节或咀嚼肌疼痛和触痛、关节弹响、下颌运动受限和耳症。根据每个患者症状的严重程度分成轻、中、重三级。轻的患者描述疼痛甚微,开口度为30或30mm以上,没用过止痛剂;中等的则描述有中等 The purpose of this study was to evaluate the quiescent changes of EMG in the closed-jaw muscle of patients with TMJ dysfunction. The subjects were 48 patients with diagnosed TMJ dysfunction who had pain and tenderness in temporomandibular joints or masticatory muscles, joint snapping, restricted jaw movement and ear disease. According to the severity of each patient's symptoms into light, medium and heavy three. Light Patient Description Pain is minimal, with an opening of 30 or more, no analgesics used; medium is described as medium