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通过对２８名正常、２７名普通反殆及２９名单侧完全性唇腭裂术后反患者的上唇肌及颏肌肌电图的检查，发现唇腭裂术后反患者口周肌肉存在特征性的肌电活动：①患者吞咽唾液时，上唇及颏肌肌电幅显著大于正常及普通反组；②唇腭裂组及普通反组患者姿势位时，颏肌肌电幅大于正常；③患者在各功能位时，上唇肌肌电活动非对称指数大于正常及普通反患者。唇腭裂术后反患者口周肌肉活动的异常，提示临床医师进行唇裂功能性修复的必要性，对于过紧修复的唇，应适时配戴唇挡。
Through examining the electromyogram of the upper lip and the chin muscle of 28 normal, 27 common anti-atraumatic and 29 unilateral complete cleft lip and palate patients, we found that there are characteristic muscle in the perioral muscle of patients with cleft lip and palate after operation Electrical activity: ① patients swallowing saliva, upper lip and chin muscle myoelectricity was significantly greater than normal and normal anti-group; ② cleft lip and palate group and general anti-group patients position, the myoelectricity greater than normal; ③ patients in each function Position, the upper lip muscle myoelectric asymmetry index greater than normal and normal anti-patients. Cleft lip and palate after anti-patient perioral muscle abnormalities, suggesting that clinicians need to repair functional cleft lip, over-tightening repair of the lip, lip wear should be timely.