Evaluation of apical transportation and centring ability of five thermally treated NiTi rotary systems - Pinheiro, S. R.; Alcalde, M. P.; Vivacqua‐Gomes, N.; Bramante, Clóvis Monteiro; Vivan, Rodrigo Ricci; Duarte, Marco Antonio Hungaro; Vasconcelos, B. C. (International Endodontic Journal, 2018)