The use of activated charcoal toothpaste as a tooth whitener and its consequences. Research, Society and Development, [S. l.], v. 11, n. 10, p. e354111033009, 2022. DOI: 10.33448/rsd-v11i10.33009. Disponível em: https://rsdjournal.org/rsd/article/view/33009. Acesso em: 6 dec. 2025.