These are said ti be associated with the sense of taste and the function of speech. They assist the tongue to absorb, via its papillae, the fluids containing the four primary flavors. They also enable the tongue to form a perfect seal when it is pressed against the palate in making the linguopalatal consonant stops of speech.
When a smooth, thick, artificial denture palate covers these elevations of the mucosa, difficulty is sometimes experienced with both taste and speech. The high degree if adaptability of the normal individual usually results in rapid adjustment to these problems, but the copying of rugae on the palatal surface of a denture, or especially by using the corrugation of a thin metal palate, may help to reduce the disability. In some cases ,however, these artificial rugae cause interference with speech, particularly if they are made too prominent.
When a smooth, thick, artificial denture palate covers these elevations of the mucosa, difficulty is sometimes experienced with both taste and speech. The high degree if adaptability of the normal individual usually results in rapid adjustment to these problems, but the copying of rugae on the palatal surface of a denture, or especially by using the corrugation of a thin metal palate, may help to reduce the disability. In some cases ,however, these artificial rugae cause interference with speech, particularly if they are made too prominent.
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