Correlative bacteriologic and micro–computed tomographic analysis of mandibular molar mesial canals prepared by self-adjusting file, reciproc, and twisted file systems - Siqueira Jr, José F.; Alves, Flávio R. F.; Versiani, Marco Aurélio; Rôças, Isabela N.; Almeida, Bernardo M.; Neves, Mônica A. S.; Sousa Neto, Manoel Damião de (The Journal of Endodontics, 2013)