Annurul Badri, R. Kintoko Rochadi, Lubis NL. The Effect of TikTok Educational Media on Increasing Knowledge, Attitude, and OPI Scores Among Adolescent Users of Fixed Orthodontics in Medan City. ijhes [Internet]. 2025Sep.30 [cited 2026Oct.6];8(9):69-. Available from: https://ijhes.com/index.php/ijhes/article/view/408