P. M. C. Scaffa, L. M. Silva, F. P. S. Nahsan, P. C. P. Sampaio, P. A. S. Francisconi, and L. F. Francisconi-dos-Rios, “Esthetic restoration of the smile: directly veneering a discolored anterior tooth”, Clin Lab Res Dent, vol. 21, no. 1, pp. 52–57, Dec. 2015, doi: 10.11606/issn.2357-8041.clrd.2015.90796.