Isolating design variables by assessing the impact of cross-section geometry on the mechanical performance of nickel-titanium rotary instruments: a comparative in vitro study - Vieira, Anne Rafaella Tenório; Silva, Guilherme Ferreira da; Silva, Emmanuel João Nogueira Leal da; Vivan, Rodrigo Ricci; Amorim, João Vitor Oliveira de; Lima, Thaine Oliveira; Oliveira Neto, Raimundo Sales de; Duarte, Marco Antonio Hungaro; Alcalde, Murilo Priori (Restorative Dentistry & Endodontics, 2025)