“ Micromorphology and Microhardness of Enamel After Treatment With Home-Use Bleaching Agents Containing 10% Carbamide Peroxide and 7.5% Hydrogen Peroxide ”. Journal of Applied Oral Science 17, no. 6 (December 1, 2009): 611–616. Accessed May 2, 2024. https://www.revistas.usp.br/jaos/article/view/3747.