Dr. Krishna Prasada L 2020. POSTOPERATIVE PAIN EXPERIENCED BY PATIENTS TREATED WITH 810NM DIODE LASER AGAINST CONVENTIONAL ENDODONTIC THERAPY IN NECROTIC PULP AND CHRONIC PERI-APICAL LESION: A RANDOMIZED CONTROL TRAIL. International Journal of Medical Science And Diagnosis Research. 4, 3 (Mar. 2020).