the Effect of Multiple Usage and Coarseness of Diamond Burs on Marginal Microleakage of Composite Resin Restorations in Primary Teeth (In-Vitro Study). Journal of Hama University , [S. l.], v. 6, n. 18, 2024. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/1585. Acesso em: 6 jun. 2026.