ORAL MUCOUS MEMBRANE CONTACT DERMATITIS - 09/09/11
Résumé |
Oral mucous membrane contact dermatitis (or contact stomatitis) is relatively rare. In general, the mucosa is more resistant to primary irritants, and is not as readily sensitized as the skin. The oral mucosa is also constantly bathed in saliva, which washes sensitizers from the mucosal surface and prevents adequate contact. Furthermore, abundant mucosal vasculature allows for rapid absorption and clearing of allergens. Nevertheless, contact reactions can occur on the oral mucous membrane. Contact sensitivity has been described as a factor in recurrent oral ulceration32, 43 and oral lichenoid reactions.52 As with other types of contact dermatitis, allergic contact dermatitis may be difficult to distinguish from irritant contact dermatitis, and it may also mimic oral changes of vitamin deficiency, certain anemias, uremic stomatitis, and candidiasis.18 Although the prevalence of allergic contact sensitivity in the mouth is unknown, a number of substances have been reported to cause oral symptoms.
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Vol 17 - N° 3
P. 471-485 - août 1997 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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