Ali, Dr. Ammar Atta-Allah, and Dr. Nasr Rifat Sabea. “Comparison of Marginal Adaptation, Internal Fitness and Microleakage of Zolid, Zirconia and Empress 2 All-Ceramic Crown Materials (An in Vitro Study)”. Mustansiria Dental Journal 10, no. 2 (February 26, 2018): 184–192. Accessed April 26, 2024. https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/216.