Dr. Ritika Malhotra, Dr. Anjali Saini, Dr. Pulkit Jhingan, Dr. Hau Muan Kim, Dr. Sudipa Jana, Dr. Anubha Jain. COMPARATIVE EVALUATION OF THE HARMFUL EFFECT OF ELECTRONIC NICOTINE DELIVERY SYSTEM AND CONVENTIONAL CIGARETTES ON ORAL HEALTH IN ADOLESCENTS IN DELHI NCR REGION. jds 2026, 19, 35-49.