Cleft Palate

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Children with a history of cleft palate or submucous cleft are at risk for resonance and speech problems due to velopharyngeal dysfunction (a condition where the velopharyngeal valve does not close consistently and completely during the production of oral sounds). These problems include hypernasality (too much sound in the nasal cavity), nasal air emission (leakage of air during consonant production) and compensatory articulation productions.

Some of these speech characteristics can also occur in children with no history of cleft palate for a variety of reasons.

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