HO, Nguyen Canh Vy; NGUYEN , Kim Xuyen; LE , Mai Minh Quan; DO, Diep Gia Huan. THE VALUE OF PROPORTIONAL BASIC RULE IN ENDODONTIC WORKING LENGTH DETERMINATION AT DIFFERENT FILE POSITIONS IN ROOT CANALS. Cantho Journal of Medicine and Pharmacy, [S. l.], n. 29, p. 52–58, 2023. Disponível em: https://tapchi.ctump.edu.vn/index.php/ctump/article/view/1583. Acesso em: 29 sep. 2026.