Common Endodontic Treatment Challenge in an Elderly Patient: Negotiating Root Canal Impediments . Acta Medica Philippina, [S. l.], v. 53, n. 6, 2019. DOI: 10.47895/amp.v53i6.676. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/676. Acesso em: 11 may. 2025.