Effect of Incisal Porcelain Thickness on the Fracture Resistance of Zirconia Core-Reinforced Ceramic Crowns (In-Vitro Study). Journal of Hama University , [S. l.], v. 5, n. 12, 2022. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/702. Acesso em: 6 jun. 2026.