上颌前徙术后腭咽闭合功能的临床观察

Clinical study on velopharyngeal function after maxillary advancement

目的 临床观察评价上颌前徙术后腭咽闭合功能变化。方法 对 7例上颌发育不全患者及 3例唇腭裂继发上颌发育不全患者行LeFortI型截骨术前移上颌骨 ,术前术后行鼻咽纤维镜及发“i”音时的头颅侧位片检查 ,结合术前术后语音的评价 ,对上颌前徙术后腭咽闭合及发音的改变进行观察分析。结果 经统计学分析 ,软腭动度、腭咽闭合程度、语音清晰度等指标术前术后比较差异均无显著性。结论 患者术前腭咽闭合功能良好时 。

Objective To explore possible alterations in velopharyngeal function after maxillary advancement Methods Ten patients (3 secondary deformity of cleft palate ,7 maxillary retrusion )had maxillary advaucement surgery Pre- and post-operative examinations consisted of lateral cephalometric radiography, nasopharyngoscopy and speech recording Results There was no significant changes on speech or velopharyngeal competence after maxillary advancement Cleft palate patients appeared slight hypernasality and nasal emission Conclusions Good velopharyngeal function pre-operation is not affected after the surgery of maxillary advancement