Qureshi, R.; Abbasi, A. F.; Tariq, H.; Majid, N.; Mushtaq, F.; Niazi, I. U. EFFECT OF OCCLUSAL REDUCTION ON POST OPERATIVE PAIN IN PATIENT WITH SYMPTOMATIC PERIAPICAL PERIODONTITIS FOLLOWING ENDODONTIC INSTRUMENTATION- A RANDOMIZED CONTROL TRIAL. J Ayub Med Coll Abbottabad 2025, 37.