Annurul Badri, R. Kintoko Rochadi and Lubis, N. L. (2025) “The Effect of TikTok Educational Media on Increasing Knowledge, Attitude, and OPI Scores Among Adolescent Users of Fixed Orthodontics in Medan City”, International Journal of Health, Education & Social (IJHES), 8(9), pp. 69-79. doi: 10.1234/ijhes.v8i9.408.