隐性腭裂有三个特征,即悬雍垂分叉、腭肌分离和硬腭有骨性切迹。由于大部分患者语音正常,仅有轻度的腭肌缺陷,因此未深入研究。我科自1980年以来对有明显语音障碍的7例患者,采用改良腭咽环扎术一期整复,术后语音明显改善,现简介如下。手术方法在腭侧距龈缘5mm处行弧形切口,后部止于双侧 There are three characteristics of occult cleft palate, that is, uvula bifurcation, palatal muscle separation and bony palatal notch. As most patients with normal speech, only mild palate muscle defects, it is not in-depth study. Our department since 1980, there are obvious voice disorders in 7 patients, the use of modified velopharyngeal ring anastomosis, postoperative voice significantly improved, are as follows. Surgical methods in the palatal margin from the gingival margin of 5mm arc incision, the latter only on both sides