Evaluation of the cyclic and torsional fatigue resistance of thermally treated Hyflex CM versus Aurum Blue nickel-titanium rotary instruments - Braga, Tiago; Vivan, Rodrigo Ricci; Alcalde, Murilo Priori; Camargo, José Maurício Paradella de; Duarte, Marco Antonio Hungaro (Iranian Endodontic Journal, 2021)