“REMINERALIZATION EFFICACY OF 1450 PPM SODIUM FLUORIDE ON A GROUP OF EARLY-STAGE CARIOUS PERMANENT TEETH IN CHILDREN AGED 6-15 YEARS ON NGOC VUNG ISLAND QUANG NINH PROVINCE IN 2025”. Vietnam Journal of Community Medicine 67, no. 5 (May 25, 2026). Accessed September 8, 2026. https://tapchiyhcd.vn/index.php/yhcd/article/view/5179.