CSD 300 Lecture Notes - Lecture 6: Cleft Lip And Cleft Palate, Soft Palate, Dental Arch
21 Feb 2018
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Document Summary
Speech disorders associated with genetic disorders: several speech/ language disorders have a suspected genetic etiology. Clefts: cleft lip and cleft palate, malformations of the oral structures of the mouth and possibly the jaw or lip. Why do clefts occur: failure of these oral structures to fuse, stomodeum, face, tongue/ palate, these structures aren"t present or didn"t develop, as an embryo develops the structures are supposed to fuse together. Case studies: cleft lip, cleft palate, are both. Incidence of clefts: native americans, more common, asians, more common, latinos, whites, african-americans, gender differences. 1 in every 600 births: more cleft lips in males, more cleft palates in females. Velopharyngeal incompetence (insufficiency) (vpi: when the velopharyngeal port is unable to close, air is deflected into the nasal passages. Improving intelligibility: glottal stops- substitutes sounds children with cleft palate can"t produce. Consult with the school psychologist and the school slp.
