Velopharyngeal Insufficiency

Overview :

At the back of the mouth is a circle of structures that include the tonsils, the tongue, and the palate. During speech, this apparatus must close off the nose for proper articulation of the explosive consonants "p," "b," "g," "t," and "d." If it does not close, there is a snort sound produced through the nose. Improper function of this structure also produces a nasal tone to the voice.