SIRISAK, W. Endodontic Management of a Maxillary First Molar with a Separated Instrument and a Second Mesiobuccal Canal (MB2): A Case Report. JOURNAL OF LOEI PROVINCIAL PUBLIC HEALTH OFFICE, [S. l.], v. 3, n. 1, p. 1–14, 2025. Disponível em: https://he03.tci-thaijo.org/index.php/JOPOLO/article/view/4556. Acesso em: 2 sep. 2026.