J Korean Assoc Oral Maxillofac Surg.  2000 Aug;26(4):414-421.

CLINICAL ASSESSMENT OF THE VELOPHARYNGEAL INCOMPETENCY SPEAKERS WITH SPEECH AIDS

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry and Institute of Oral Bioscience Chonbuk National University.

Abstract

The objective evaluation of velopharyngeal closure function is the key to diagnosis and therapy control of velopharyngeal incompetency. The aim of this study is to evaluate the aerodynamic and acoustic characteristics of the velopharyngeal closure function of patients who have developed velopharyngeal incompetency after management with speech aids. The test words were composed of sustained vowels /a/, /i/, /e/, /u/, /ja/, /je/, /wi/ and polysyllabic words /p'ap'i/, /siso/, /mami/ for measuring nasalance, The data was collected before the placement of the speech aids and one to three months after. The results were as follows:The nasalance score of the velopharyngeal incompetency speakers was higher than that of the normal control group, except for nasal sounds, and was decreased after placement of the speech aids, especially in high vowels /i/ (P<.01) and /wi/ (P<.05).

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