Study of root canal anatomy in human permanent teeth in a subpopulation of brazil's center region using cone-beam computed tomography - part 1 - Estrela, Carlos; Bueno, Mike R; Couto, Gabriela S; Rabelo, Luiz Eduardo G; Alencar, Ana Helena G; Silva, Ricardo Gariba; Pécora, Jesus Djalma; Sousa Neto, Manoel Damião de (Brazilian Dental Journal, 2015)