@article{hilgenberg_pinto_farago_santos_wambier_2011,  title={Physical-chemical characteristics of whitening toothpaste and evaluation of its effects on enamel roughness},  volume={25},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242011005000012},  DOI={10.1590/S1806-83242011005000012},  number={4},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Hilgenberg, Sérgio Paulo and Pinto, Shelon Cristina Souza and Farago, Paulo Vitor and Santos, Fábio André and Wambier, Denise Stadler},  year={2011},  month={Jul},  pages={288–294} }