“A comparative clinical study to compare retention of pit and fissure sealant on patients with Down’s syndrome using two systems of bonding materials”, مجلة الجامعة, vol. 1, no. 7, Jul. 2019, Accessed: Apr. 25, 2026. [Online]. Available: https://hama-univ.edu.sy/ojs/index.php/huj/article/view/118