Speech Aid Prostheses For Patients With Cleft and Other Craniofacial Birth Conditions.

Normal speech production is a complex mechanism requiring the coordination of several organs of the oral cavity. The lip, hard and soft palates, and teeth all play a role in normal speech production. In cases of craniofacial birth conditions such as cleft lip and palate or ectodermal dysplasia, one or more of these areas may be compromised.