planus is a mucocutaneous disease affecting approximately 1.5 to 2% of the world popu-lation. Women are most of ten affected and lichen planus is usually reported in individuals over 50 years of age The etiology of lichen planus is unknown at present and the disorder has been classified as a chronic disease of immune-mediated pathogenesis. The oral lesions are usually bilateral and involve the buccal mucosa in about 90 per cent of all cases. In descending order of frequency the tongue, gingivae, alveolar ridge, lips, and less commonly the palate may also be affected. In this paper , we are presented a case , 65-year-old female patient who came to de-partment of Oral and Maxillofacial Medicine in Khanzad Center with a chief complaint of burn-ing sensation of the mouth especially hard palate, bilateral buccal mucosa and lower anterior gingiva for about 10 years duration, aggravated by hot and spicy food. The diagnosis was con-firmed by biopsy as lichen planus. The skin was not involved lesion. Keywords: Oral lichen planus, Palatal lichen planus, Burning sensation, Buccal mucosa
Carcinoma on oral lichen planus: report of four cases and review of literature