Abstract
To determine the contribution of the soft palate to the overall taste mechanism and the effects of palatal compromise (surgery, cleft palate, and trauma), four taste solutions representing sweet, salty, sour, and bitter were applied to the apex and base of the tongue and to the soft palate of 12 subjects in each of the control and palatally compromised groups. Each group was tested on two different occasions with the sessions 2 weeks apart and one in the morning and the other in the afternoon. Results indicate that the soft palate contributes to bitter and salty sensations to a greater degree than the other two sensations. Of these two, bitter is the more acutely experienced. Patients with compromised palates revealed higher taste acuity thresholds than the normal control group, particularly with bitter solutions. Taste acuity thresholds increased with age.
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