Nguyen, H. T.; Lam, N. T.; Hong, Q. K. CLINICAL FEATURES, CONE BEAM COMPUTED TOMOGRAPHY AND ELUVATION OF THE RESULTS OF PERIAPICAL SURGERY WITH RETROGRADE FILLING BY BIODENTINE AND PLATELET- RICH FIBRIN (PRF) IN THE MAXILLARY ANTERIOR TEETH AT ODONTO-MAXILLOFACIAL HOSPIAL OF HO CHI MINH CITY IN 2023-2024. CTJUMP 2024, 114-121.