Effectiveness of hand and Mtwo™ instruments in preparing oval-shaped root canals: in vitro study. Revista da Faculdade de Odontologia - UPF, [S. l.], v. 21, n. 2, 2016. DOI: 10.5335/rfo.v21i2.5322. Disponível em: https://ojs.upf.br/index.php/rfo/article/view/5322. Acesso em: 30 nov. 2025.