“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”, YHCĐ, vol. 67, no. 5, May 2026, doi: 10.52163/yhc.v67i5.5179.