1. Department of Prosthetic Dental Science, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
2. Department of Clinical Dental Sciences, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
3. Department of Orthodontics and Dentofacial Orthopedics, Eastman Institute for Oral Health, University of Rochester, Rochester, NY, USA
4. Department of Oral and Maxillofacial Surgery, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
5. Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
6. Biological Research in Dental Health, College of Dentistry, King Saud University, Riyadh, Saudi Arabia