Effectiveness of carbamide peroxide and sodium perborate in non-vital discolored teeth . Journal of Applied Oral Science, [S. l.], v. 17, n. 3, p. 254–261, 2009. DOI: 10.1590/S1678-77572009000300024. Disponível em: https://www.revistas.usp.br/jaos/article/view/3683.. Acesso em: 17 may. 2024.