PHẠM, Thị Huyền; ĐỖ, Trọng Hiếu; NGUYỄN, Cao Thắng; NGUYỄN, Thị Ngọc Anh; PHAN, Thị Bích Hạnh; NGUYỄN, Lan Nhi. THE MORPHOLOGICAL CHARACTERISTICS OF THE PRIMARY MANDIBULAR FIRST MOLARS AND THEIR ROOT CANALS ON CONE-BEAM COMPUTED TOMOGRAPHY IMAGES AT THE NATINONAL HOSPITAL OF ODONTO -STOMATOLOGY, HANOI. Vietnam Medical Journal, [S. l.], v. 561, n. 2, 2026. DOI: 10.51298/vmj.v561i2.18270. Disponível em: https://tapchiyhocvietnam.vn/index.php/vmj/article/view/18270. Acesso em: 20 jul. 2026.