Effect of heat treatment on K3, K3XF and MTwo endodontic filesF. M. Braz Fernandes, J. P. Oliveira, A. M. Machado, A. R. Alves and N. SchellMATEC Web of Conferences, 33 (2015) 03016DOI: https://doi.org/10.1051/matecconf/20153303016