Oral functions - speech Flashcards
have knowledge of oral biology, to include detailed knowledge of the form and function of the teeth and associated structures, in health and disease
what is dysphasia/aphasia?
a specific language disorder that affects a person’s ability to understand and produce language
* damage to brain, Broca’s area, Wernicke’s area
what is dysphagia?
difficulty/inability to swallow
what is odynophagia?
pathological condition in which the affected person experiences extreme pain when swallowing foods, liquids and medication
what is dysarthia?
difficulty speaking caused by problems with the muscles used in speech due to neuromuscular defects
what are the oral causes of language and speech defects?
5
- malocclusions
- loss of teeth and denture related
- cleft lip / palate
- tongue-related
- dry mouth
how does a cleft lip / palate affect speech?
oral and nasal cavities are not separated so speech has a nasal quality
how do tongue related conditions affect speech?
tongue is restricted and cannot reach positions to make certain sounds
how does xerostomia affect speech?
cannot swallow and start talking normally so pronouncing words can be difficult
how can dentures affect speech?
restricted tongue space, denture too thick or teeth not set properly can prevent adaptation to the palate so s sounds become sh sounds
what sounds are hard to pronounce when there is excessive thickening of the palate in dentures?
s sounds become sh shounds
what sounds are hard to say when the mandible and maxilla are in the wrong occlusal planes?
f, v, ph (labiodental sounds - fricative) are hard to say
what sounds are hard to say when maxillary anterior teeth are lost?
f, v, ph sounds as they are made from the lower lip contacting the edges of the maxillary incisors
