“the Effect of Multiple Usage and Coarseness of Diamond Burs on Marginal Microleakage of Composite Resin Restorations in Primary Teeth (In-Vitro Study)” (2024) Journal of Hama University, 6(18). Available at: https://journal.hama-univ.edu.sy/huj/article/view/1585 (Accessed: 6 June 2026).