18. RESULTS OF APICOECTOMY - CYSTECTOMY OF THE PERIAPICAL CYST IN MAXILLARY ANTERIOR WITH MTA REVERSE FILLING AND ALLOGRAFT BONE GRAFTING AT HO CHI MINH CITY ODONTO-STOMATOLOGY HOSPITAL AND CAN THO UNIVERSITY HOSPITAL OF MEDICINE AND PHARMACY. YHCĐ [Internet]. 2023 Mar. 15 [cited 2026 Sept. 28];64(2). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/620