@article{oliveira_alves_pereira_raposo_biffi_2015,  title={Influence of flexion angle of files on the decentralization of oval canals during instrumentation},  volume={29},  ISSN={1806-8324},  url={https://doi.org/10.1590/1807-3107BOR-2015.vol29.0078},  DOI={10.1590/1807-3107BOR-2015.vol29.0078},  number={1},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={OLIVEIRA, Maria Antonieta Veloso Carvalho de and ALVES, Letícia Duarte and PEREIRA, Analice Giovani and RAPOSO, Luís Henrique Araújo and BIFFI, João Carlos Gabrielli},  year={2015},  pages={1–6} }