Abstract
Oral lichen planus (OLP) is a chronic inflammatory disease that affects the oral mucosa, often affecting females, especially in adults and the elderly. Characteristically, the pathogenesis of OLP mainly involves the action of T cell subpopulations, including CD4 T helper lymphocytes and CD8 T cytotoxic lymphocytes, the latter involved in the process of inducing basal keratinocyte apoptosi…