Primary retention of permanent lower first molar: case report and twelve-year follow-up. Research, Society and Development, [S. l.], v. 10, n. 4, p. e24110413699, 2021. DOI: 10.33448/rsd-v10i4.13699. Disponível em: https://rsdjournal.org/rsd/article/view/13699. Acesso em: 5 dec. 2025.