Saxena T. Comparative Evaluation Of Amount Of Apically Extruded Debris In Endodontic Retreatment Procedures Using Four Different File Systems- An Invitro Study. Univ J Dent Sciences [Internet]. 2023Jan.17 [cited 2024Dec.22];9(2). Available from: https://ujds.in/index.php/ujds/article/view/887