引起“开放性鼻音”因素很多,但均与腭部疾患有关,如腭裂、腭咽闭合不全、软腭瘫痪或软腭疤痕挛缩等。尤以腭裂和腭咽闭合不全所造成的较为多见。自1985～1986年,笔者曾接诊6例此病患者,其中男2例,女4例,年龄6～24岁。关于腭咽闭合不全的治疗,目前国内外有关学者主要采用延长软腭法、咽粘膜瓣法、肌肉移 Cause “open nasals” many factors, but are associated with palatal disorders, such as cleft palate, velopharyngeal insufficiency, soft palate paralyzed or soft palate scar contracture. Especially in the cleft palates and velopharyngeal closure caused by the more common. From 1985 to 1986, the author has admitted 6 cases of this disease, including 2 males and 4 females, aged 6 to 24 years old. On the treatment of velopharyngeal insufficiency, the current domestic and foreign scholars mainly used to extend the soft palate method, pharyngeal mucosal flap method, muscle shift