Velopharyngeal dysfunction: a systematic review of major instrumental and auditory-perceptual assessments

INTRODUCTION:Velopharyngeal dysfunction may cause impaired verbal communication skills in individuals with cleft lip and palate; thus, patients with this disorder need to undergo both instrumental and auditory-perceptual assessments. OBJECTIVE: To investigate the main methods used to evaluate velopharyngeal function in individuals with cleft lip and palate and to determine whether there is an association between videonasoendoscopy results and auditory-perceptual assessments. METHOD: We conducted a systematic review of the literature on instrumental and auditory-perceptual assessments. We searc...