Ali Muhsin, Saja, Enas Kareem Mohammed, and Farah Nabeel Mohammed Tahir AlKhayyat. 2024. “An In-Vitro Study Effect of Adding Silica Gel on Surface Hardness of Phosphate-Bonded Investment Material”. Mustansiria Dental Journal 20 (1):14-23. https://doi.org/10.32828/mdj.v20i1.1087.