M RASHID, A.; A SULIMAN, H. Incidence of third root in mandibular permanent first molar: An endodontic challenge. Al-Rafidain Dental Journal, [S. l.], v. 6, n. 2, p. 194–198, 2006. DOI: 10.33899/rden.2006.40167. Disponível em: https://rden.uomosul.edu.iq/index.php/rden/article/view/34667. Acesso em: 11 jan. 2026.