Evaluation of torsional resistance and bending stiffness of coronal flaring nickel-titanium instruments - Weissheimer, Theodoro; Alcalde, Murilo Priori; Cortez, Julia Barrionuevo; Rosa, Ricardo Abreu da; Vivan, Rodrigo Ricci; Calefi, Pedro Henrique Souza; Duarte, Marco Antonio Hungaro; Só, Marcus Vinicius Reis (European Endodontic Journal, 2021)