@article{oliveira_meurer_pascoalato_silva_2009,  title={Cone-beam computed tomography analysis of the apical third of curved roots after mechanical preparation with different automated systems},  volume={20},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402009000500004},  DOI={10.1590/S0103-64402009000500004},  number={5},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Oliveira, Cesar Augusto Pereira and Meurer, Maria Inês and Pascoalato, Cristina and Silva, Silvio Rocha Correa},  year={2009},  pages={376–381} }