@article{piovesan_antunes_guedes_ardenghi_2011,  title={Influence of self-perceived oral health and socioeconomic predictors on the utilization of dental care services by schoolchildren},  volume={25},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242011005000004},  DOI={10.1590/S1806-83242011005000004},  number={2},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Piovesan, Chaiana and Antunes, José Leopoldo Ferreira and Guedes, Renata Saraiva and Ardenghi, Thiago Machado},  year={2011},  month={Mar},  pages={143–149} }