Definitive Obturator for Class IV Maxillary Defect with Cast Retainers -A Case Report. Global Journal of Medical Research, [S. l.], v. 19, n. J4, p. 1–5, 2019. Disponível em: https://medicalresearchjournal.org/index.php/GJMR/article/view/1859. Acesso em: 25 apr. 2026.