A Comparative Study of the Retention Force of Flexible Clasps for Non-Metal Clasp Removable Partial Dentures in Different Undercuts (An In-Vitro Study). Journal of Hama University , [S. l.], v. 4, n. 11, 2021. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/679. Acesso em: 6 jun. 2026.