Safety and effectiveness of additional apical preparation using a rotary heat-treated nickel-titanium file with larger diameter and minimum taper in retreatment of curved root canals - Pinto, Jáder Camilo; Torres, Fernanda Ferrari Esteves; Santos Júnior, Airton Oliveira; Tavares, Karina Ines Medina Carita; Duarte, Marco Antonio Hungaro; Guerreiro-Tanomaru, Juliane Maria; Tanomaru-Filho, Mario (European Journal of Dentistry, 2021)