Saputri, Dewi, Basri A. Gani, and Meiditya Handysha. 2023. “Description of Biofilm Density on Glass Ionomer Cement Modified by 5% Hydroxyapatite from the Synthesis of Chicken Eggshells”. Indonesian Journal of Dental Medicine 6 (2):47-51. https://doi.org/10.20473/ijdm.v6i2.2023.47-51.