Micro-computed tomography study of the internal anatomy of mesial root canals of mandibular molars - Villas-Bôas, Marcelo Haas; Bernardineli, Norberti; Cavenago, Bruno Cavalini; Marciano, Marina; del Carpio Perochena, Aldo Enrique; Moraes, Ivaldo Gomes; Duarte, Marco Antonio Hungaro; Bramante, Clovis Monteiro; Ordinola-Zapata, Ronald (Journal of Endodontics, 2011)