Pithon, Matheus Melo, et al. “Effect of Bleaching With Hydrogen Peroxide into Different Concentrations on Shear Strength of Brackets Bonded With a Resin-Modified Glass Ionomer”. Brazilian Journal of Oral Sciences, vol. 7, no. 24, Sept. 2016, pp. 1483-8, doi:10.20396/bjos.v7i24.8643017.