Abdulghafoor, Z., H. Al-salman, T., & Y. Daham, A. (2016). Assessment of the fracture strength of straight and pre-angled (17°) zircon implant abutments supported CADCAM zerconium restoration: An in(vitro study). Al-Rafidain Dental Journal, 16(1), 77–83. https://doi.org/10.33899/rden.2016.160861