@article{pacheco_jansen_oliveira_2012,  title={The role of friction in orthodontics},  volume={17},  ISSN={2176-9451},  url={https://doi.org/10.1590/S2176-94512012000200028},  DOI={10.1590/S2176-94512012000200028},  number={2},  journal={Dental Press Journal of Orthodontics},  publisher={Dental Press International},  author={Pacheco, Mariana Ribeiro and Jansen, Wellington Corrêa and Oliveira, Dauro Douglas},  year={2012},  month={Mar},  pages={170–177} }