@article{sundfeld_sundfeld-neto_machado_franco_fagundes_briso_2014,  title={Microabrasion in tooth enamel discoloration defects: three
               cases with long-term follow-ups},  volume={22},  ISSN={1678-7757},  url={https://doi.org/10.1590/1678-775720130672},  DOI={10.1590/1678-775720130672},  number={4},  journal={Journal of Applied Oral Science},  publisher={Faculdade De Odontologia De Bauru - USP},  author={SUNDFELD, Renato Herman and SUNDFELD-NETO, Daniel and MACHADO, Lucas Silveira and FRANCO, Laura Molinar and FAGUNDES, Ticiane Cestari and BRISO, André Luiz Fraga},  year={2014},  month={Jul},  pages={347–354} }