Mendonça, L. C., L. Z. Naves, L. da F. R. Garcia, L. Correr-Sobrinho, C. J. Soares, and P. S. Quagliatto. “Permeability, Roughness and Topography of Enamel After Bleaching: Tracking Channels of Penetration With Silver Nitrate”. Brazilian Journal of Oral Sciences, vol. 10, no. 1, Nov. 2015, pp. 1-6, doi:10.20396/bjos.v10i1.8641669.