Hamdan Alghamdi is currently associate professor and Director of Research Center at the College of Dentistry, King Saud University, Riyadh (Saudi Arabia). Dr. Alghamdi has also been affiliated as a visiting research assistant professor at the Department of Biomaterials and Oral Implantology in Radboud University Medical Center, Nijmegen, The Netherlands. Dr. Alghamdi has co-authored several publications in top ISI-journals in the field of biomaterials and tissue engineering of oral implantology