Prof. Abdelhamied SAAD
B.D.S, Faculty of Dental Medicine, University of Alexandria MS, Dental School, Al-Azhar University Ph.D, Dental School, University of Maryland Part-time faculty member, University of Maryland at Baltimore, Baltimore College of Dental Surgery, Dental School, Baltimore, Maryland, U.S.A. Associate Professor, Department of Restorative Dental Sciences, Endodontic Division, King Saud University, College of Dentistry, Riyadh, Kingdom of Saudi Arabia. Professor and Head, Endodontic Division, Department of Restorative Dental Sciences, King Saud University, College of Dentistry, Riyadh, Kingdom of Saudi Arabia