Comparison of Two Types of Lingual Fixed Retainer (Metal and Fiber)Fabricated by Using (CAD\CAM)Technique. Journal of Hama University , [S. l.], v. 6, n. 18, 2024. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/1657. Acesso em: 6 jun. 2026.