Elmallawany, A., Hussein, Y.F., Ali, M.M., Montasser , K., Aly, Y. and Sharaf, N. 2022. Effect of Ultrasonic and Diode Laser Irrigation Activation on Post-operative Pain and Microbial Reduction in Single Visit Endodontic Treatment of Necrotic Mandibular Molars. Open Access Macedonian Journal of Medical Sciences. 10, D (May 2022), 210–220. DOI:https://doi.org/10.3889/oamjms.2022.9838.