@article{vanni_santos_limongi_guerisoli_capelli_pécora_2005,  title={Influence of cervical preflaring on determination of apical file size in maxillary molars: SEM analysis},  volume={16},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402005000300002},  DOI={10.1590/S0103-64402005000300002},  number={3},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Vanni, José Roberto and Santos, Roberto and Limongi, Orlando and Guerisoli, Danilo M. Zanello and Capelli, Alexandre and Pécora, Jesus Djalma},  year={2005},  month={Sep},  pages={181–186} }