@article{chaves_2012,  title={Oral health in Brazil: the challenges for dental health care models},  volume={26},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242012000700011},  DOI={10.1590/S1806-83242012000700011},  number={spe1},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Chaves, Sônia Cristina Lima},  year={2012},  pages={71–80} }