In-office dental bleaching in adolescents using 6% hydrogen peroxide with and without gingival barrier: a randomized double-blind clinical trial. Journal of Applied Oral Science, [S. l.], v. 32, p. e20230416, 2024. DOI: 10.1590/. Disponível em: https://revistas.usp.br/jaos/article/view/223389.. Acesso em: 9 may. 2024.