Saputri D, A. Gani B, Handysha M. Description of Biofilm Density on Glass Ionomer Cement Modified by 5% Hydroxyapatite from the Synthesis of Chicken Eggshells. IJDM [Internet]. 2023 Jul. 10 [cited 2024 Aug. 4];6(2):47-51. Available from: https://e-journal.unair.ac.id/IJDM/article/view/40961