L. N Abood, M. N Kazanji, and M. J. Essa, “Stability, Mobility and Pull out Forces of Immediate Loaded Endosteal Screw Type Dental Implants of 4 and 4.5mm in Diameter (Comparative Experimental Study)”, Al-Rafidain Dent J , vol. 6, no. 3, pp. 133–141, Dec. 2006.