Weber, M., Baladi, M. G., Arita, E. S., & Haddad, D. S. (2014). Comparative spectrophotometric study of the color stability of three dental porcelains after repeated fi rings. Clinical and Laboratorial Research in Dentistry, 20(3), 174-180. https://doi.org/10.11606/issn.2357-8041.clrd.2014.56875