A Randomized Clinical Trial of the Effect of Pimecrolimus Cream 1% Compared With Topical Corticosteroid in Treatment of Erosive Oral Lichen Planus

Inclusion Criteria: * Biopsy confirmed oral lichen planus in combination with a compatible clinical appearance was used for diagnosis. Exclusion Criteria: * Unable to undergo oral biopsy for diagnosis * Systemic diseases or malignancy * Pregnancy * Lesion/lesions with dysplasia/ history of allergic reaction to corticosteroids or immunomodulatory drugs. * Lesions adjacent to amalgam filling were also excluded from this study.