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目的客观评价发音辅助器的功能。方法对１２例置发音辅助器患者进行了分析。结果用发音辅助器后增加了口腔压力，降低了鼻腔气流和缩减了腭咽腔闭合的面积。结论发音辅助器能改善腭咽闭合功能，为临床治疗腭咽闭合功能不全提供非手术方法。
Objective To objectively evaluate the function of pronunciation aids. Methods 12 patients with aural modifier were analyzed. The results increased with oral aid after oral pressure, reducing nasal airflow and reduce the area of velopharyngeal closure. Conclusion The pronunciation aid can improve the velopharyngeal closure function and provide a non-surgical method for clinical treatment of velopharyngeal insufficiency.