1. Department of Prosthetic Dental Science, College of Dentistry; King Saud University; Riyadh Saudi Arabia
2. Dental Implant and Osseointegration Research Chair (DIORC), College of Dentistry; King Saud University; Riyadh Saudi Arabia
3. Department of Periodontics and Community Dentistry, College of Dentistry; King Saud University; Riyadh Saudi Arabia
4. Department of Periodontology; Tufts University School of Dental Medicine; Boston MA USA
5. Department of Biomaterials; Radboud University, Nijmegen Medical Center; Nijmegen The Netherlands