@article{rodrigues_lenz_may_jacques_2022,  title={Colorimetric analysis of dental porcelains: effects of the background color},  volume={68},  ISSN={0366-6913},  url={https://doi.org/10.1590/0366-69132022683853190},  DOI={10.1590/0366-69132022683853190},  number={385},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Rodrigues, C. S. and Lenz, J. M. and May, L. G. and Jacques, L. B.},  year={2022},  month={Jan},  pages={108–113} }