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.allfixelectricales.shop/product-category/rosin-core-solder/