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Resonance disorder can be classified into two main categories: hypernasality and hyponasality. Hypernasality may occur due to velopharyngeal insufficiency (VPI), which happens when the valve that closes off the nasal passageway does not function. Children with cleft palate have a higher probability of exhibiting hypernasality due to anatomical differences in the soft palate caused by the cleft. Children with VPI may be seen with a speech pathologist and a pediatric otolaryngologist concurrently to assess what types of treatment options are appropriate for the child. Hyponasality typically occurs when there is a blockage of the nasal passageway which does not allow nasal sounds to be produced (m, n).