A comparative clinical study to compare retention of pit and fissure sealant on patients with Down’s syndrome using two systems of bonding materials. Journal of Hama University , [S. l.], v. 1, n. 7, 2019. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/118. Acesso em: 6 jun. 2026.