The aim of this review article is to have a thorough knowledge about different types of periodontal dressings. Periodontal surgeries cause tissue injury, triggering hemorrhage & leading to blood clot. Blood clot consists of inflammatory cells & prevents bacterial colonization/wound infection that requires time to heal. For protection of such wounds various dressings have been suggested in the past.with the purpose of immobilizing the tissue and eradication of pain. These days application of periodontal dressing after periodontal therapy has been utilized not only for surgical but for non-surgical mechanical therapy as well. Periodontal dressing has 3 classification 1) zinc oxide eugenol, 2) zinc oxide non-eugenol 3) other types.