Background: Oral Lichen Planus is a chronic inflammatory mucosal disease. presenting in various clinical forms . Both antigen-specific and non-specific mechanisms involved in the pathogenesis of OLP. Apoptosis or programmed-cell death is a physiological process essential for the normal development and maintenance of homeostasis in many organisms. https://www.lockdownsecuritycanada.shop/product-category/trim-ring-kit/