Evaluation of Lycopene in the Treatment of Erosive Oral Lichen Planus

Inclusion Criteria: * Erosive oral lichen planus patients with severe and extensive painful erythematous, erosive and/ or ulcerative lesions who are in need for systemic corticosteroid therapy Exclusion Criteria: * Pregnant females and smokers. * Patients suggestive of having lichenoid contact/drug reactions. * Patients suffering from any systemic disease as diabetes, liver disease, renal disease, any other autoimmune or collagen disease. * Lesions showing histological features of dysplasia. * Patients with skin lichen planus lesions.