1Lecturer,
2Associate Professor,
3Senior Lecturer,
*Corresponding Author: Dr. Priyadarshini Karthikeya, Lecturer,
Oral lichen planus is a chronic T-cell mediated disease of unknown etiology with diverse clinical manifestations. Several local and systemic factors are known to be associated with it. Both antigen specific and non-specific mechanisms are involved in the pathogenesis of lichen planus. The article discusses both these mechanisms of pathogenesis alongwith diagnostic criterias, differential diagnosis and treatment.
oral lichen planus, T-cells