EVALUATE AND COMPARE THE CYCLIC FRACTURE RESISTANCES OF THREE DIFFERENT NI-TI ENDODONTIC FILE SYSTEM -AN INVITRO STUDY. IJMBS [Internet]. 2021 Feb. 22 [cited 2026 Jun. 27];5(2). Available from: https://www.ijmbs.info/index.php/ijmbs/article/view/1769