@article{fidel_carvalho_varela_letra_fidel_2006,  title={Complicated crown fracture: a case report},  volume={17},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402006000100019},  DOI={10.1590/S0103-64402006000100019},  number={1},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Fidel, Rivail Antonio Sergio and Carvalho, Ricardo Guimarães de and Varela, Cláudio Herdy and Letra, Ariadne and Fidel, Sandra Rivera},  year={2006},  pages={83–86} }