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  • Title: Oral pain perception and taste in burning mouth syndrome.
    Author: Just T, Steiner S, Pau HW.
    Journal: J Oral Pathol Med; 2010 Jan; 39(1):22-7. PubMed ID: 19804504.
    Abstract:
    BACKGROUND: Aim of this study was to investigate the effect of idiopathic burning mouth syndrome (BMS) on both, the pain perception within trigeminal lingual nerve distribution and gustatory sensitivity using capsaicin threshold test, and regional taste tests, respectively. METHODS: Pain thresholds for capsaicin were assessed using capsaicin-impregnated filter-paper strips. The strips were placed midline on the tongue tip for whole mouth testing with the mouth closed, and on the left or right edge of the extended anterior tongue for lateralized testing. Measures of gustatory function were obtained by validated "taste strips" test kit and electrogustometry. The tests were applied to 13 patients with BMS. Results were compared with those from 28 healthy subjects. RESULTS: Patients with BMS exhibited a decreased gustatory and somatosensory perception compared with healthy controls. These changes were found for lateralized tests but not for the whole mouth test procedure. Duration of disorder showed an effect on the capsaicin threshold, with patients being less sensitive to capsaicin exhibiting an increased duration of disorder. CONCLUSION: Both pain-related and gustatory sensitivies of the tongue are found to be decreased in BMS.
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