Yuanita, Tamara, Setyabudi Setyabudi, and Qintan Sekar Adjani. “The Effect of Theobromine and NaF 2% Exposure to Enamel Surface Hardness After Immersing in Orange Juice Beverage”. Conservative Dentistry Journal 9, no. 2 (June 25, 2020): 70–73. Accessed August 4, 2024. https://e-journal.unair.ac.id/CDJ/article/view/20101.