D. S. M. Dziedzic, L. H. R. da Silva, B. L. do Nascimento, M. S. Baechtold, G. M. Correr, and C. C. Gonzaga, “Effect of hydrogen peroxide application on color and surface roughness of two restorative materials”, Braz. J. Oral Sci., vol. 15, no. 3, pp. 185–189, Aug. 2017.