Albadah As, Khan Am. 2022. “An in Vitro Study Comparing Nano-Composite Microleakage With and Without Hydroxyapatite-Reinforced Glass Ionomer Cement and Cention N As a Base Material in Class I Cavity”. Pakistan Journal of Medical & Health Sciences 16 (05):400. https://doi.org/10.53350/pjmhs22165400.