@article{santos_séllos_ramos_soviero_2007,  title={Oral hygiene frequency and presence of visible biofilm in the primary dentition},  volume={21},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242007000100011},  DOI={10.1590/S1806-83242007000100011},  number={1},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Santos, Ana Paula Pires dos and Séllos, Mariana Canano and Ramos, Maria Eliza Barbosa and Soviero, Vera Mendes},  year={2007},  month={Jan},  pages={64–69} }