Rathod, R. T.; Poreddy, S. R.; Poreddy, S. R.; Durgabhavani, G.; Gonapa, P.; Thodsam , G.; Prasad, B. R. An in-Vitro Comparative Evaluation for Detection of Residual Gutta-Percha After Root Canal Retreatment With Four Different Files Using Stereo Microscope. Int. J. of Health Sci. 2022, 6, 164-172.