Sabbah, Ayman, and Mostafa Kamel. “Fracture Resistance of Primary Molars Restored With Endocrowns Versus Zirconia Crowns (An in Vitro Study)”. Brazilian Dental Science 24, no. 4 (October 1, 2021). Accessed September 7, 2025. https://ojs.ict.unesp.br/index.php/cob/article/view/2626.