@article{kanwal_suleman_butt_2026,  title={Approach to tongue hyperpigmentation: connecting the dots with associated conditions in general practice},  volume={25},  ISSN={1677-3225},  url={https://doi.org/10.20396/bjos.v25i00.8675864},  DOI={10.20396/bjos.v25i00.8675864},  journal={Brazilian Journal of Oral Sciences},  publisher={Faculdade de Odontologia de Piracicaba - UNICAMP},  author={Kanwal, Fatima and Suleman, Waseem and Butt, Aayesha},  year={2026},  pages={e255864} }