“Evaluation of the Effects of an Iraqi Phosphate Bonded Investment and Two Commercial Types on the Marginal Fitness of Porcelain- Fused- To- Metal Copings . ”. Mustansiria Dental Journal 2, no. 2 (March 17, 2024): 183–193. Accessed May 12, 2025. https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/1066.