Endodontic treatment in a maxillary second molar with four root canals: A case report. Research, Society and Development, [S. l.], v. 12, n. 9, p. e1612943058, 2023. DOI: 10.33448/rsd-v12i9.43058. Disponível em: https://rsdjournal.org/rsd/article/view/43058. Acesso em: 6 dec. 2025.