R. F. da Silva, S. D. da R. Pereira, E. Daruge Júnior, L. Francesquini Júnior, C. D. M. Portilho, and C. Estrela, “Ethical aspects concerning endodontic Ethical aspects concerning endodontic instrument fracture instrument fracture”, Braz. J. Oral Sci., vol. 7, no. 25, pp. 1535–1538, Jan. 2016.