Use of light sources and their relationship with the effectiveness of tooth whitening. Research, Society and Development, [S. l.], v. 9, n. 11, p. e4299119934, 2020. DOI: 10.33448/rsd-v9i11.9934. Disponível em: https://www.rsdjournal.org/rsd/article/view/9934. Acesso em: 17 dec. 2025.