Srikumar G.P.V., Geeta Nishad, Siddharth Bardia, Megha Yadav, Amisha Jain, and Kriti Dubey. “Comparative Evaluation of Protaper Universal, D-Race, R-Endo and Neoendo Ni-Ti Rotary Retreatment File Systems in the Removal of Guttapercha And Root Canal Sealer With or Without the Use of Solvent During Endodontic Retreatment: An In-Vitro Stereomicrosco”. Journal of Coastal Life Medicine, vol. 11, no. 1, Jan. 2023, pp. 1892-08, https://www.jclmm.com/index.php/journal/article/view/606.