Cyclic Fatigue, Torsional Resistance, and Angular Deflection of Two Heat-Treated Files: M-Wire Versus New F-Wire Technology. Ajinkya M. Pawar, Unmesh Khanvilkar, Shivani Mallishery, Kashmira Sawant ,Ricardo Machado, Gianluca Plotino , Alexander Maniangat Luke, Simy Mathew, Musab Hamed Saeed and Krishna Prasad Shetty. Metals 2020, 10, 1359