Differences in effectiveness between soaking star fruit juice (Averrhoa Bilimbi Linn) with tomato fruit juice (Lycopersicon Esculentum Mill) as a natural tooth whitening agent. IJDS. 2024;1(1):48-58. Accessed April 29, 2026. http://ijds-pdgipalembang.com/index.php/ijds/article/view/6