Albadah As, Khan Am. 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 [Internet]. 2022 Jun. 11 [cited 2024 Jul. 27];16(05):400. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/1236