 @article{machado_nascimento_silva_loretto_normando_2013,  title={Evaluation of metallic brackets adhesion after the use of bleaching gels with and without amorphous calcium phosphate (ACP): in vitro study},  volume={18},  ISSN={2176-9451},  url={https://doi.org/10.1590/S2176-94512013000300016},  DOI={10.1590/S2176-94512013000300016},  number={3},  journal={Dental Press Journal of Orthodontics},  publisher={Dental Press International},  author={Machado, Sissy Maria Mendes and Nascimento, Diego Bruno Pinho do and Silva, Robson Costa and Loretto, Sandro Cordeiro and Normando, David},  year={2013},  month={May},  pages={101–106} }