Influence of temperature on the torsional properties of two thermally treated NiTi rotary instruments - Osaki, Roberto Barreto; Bramante, Clovis Monteiro; Vivan, Rodrigo Ricci; Alcalde, Murilo Priori; Calefi, Pedro Henrique Souza; Duarte, Marco Antonio Hungaro (Brazilian Dental Journal, 2023)