@article{ribas_müller_leyton_2026,  title={Restorative approach for an anterior tooth with a discolored substrate: a case report},  volume={74},  ISSN={1981-8637},  url={https://doi.org/10.1590/1981-86372026002620260019},  DOI={10.1590/1981-86372026002620260019},  journal={RGO - Revista Gaúcha de Odontologia},  publisher={Faculdade São Leopoldo Mandic},  author={Ribas, Henrique Zonkowski and Müller, Bernardo Faria and Leyton, Brenda Sanchez},  year={2026},  pages={e20260026} }