Titanium dioxide nanotubes incorporated into bleaching agents: physicochemical characterization and enamel color change. Journal of Applied Oral Science, [S. l.], v. 28, p. e20190771, 2021. DOI: 10.1590/1678-7757-2019-0771. Disponível em: https://revistas.usp.br/jaos/article/view/190278.. Acesso em: 17 jul. 2024.