Saber, S. M. ., Eshkal, S. E. A. ., Nagy, M. M. . and Pirani, C. (2020) “Correlation between root surface strain and apical micro-cracks produced during canal preparation with thermally treated single or multi-file NiTi systems”, Giornale Italiano di Endodonzia, 34(2). doi: 10.32067/GIE.2020.34.02.03.