1. Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
2. Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
3. Department of Prosthodontics, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
4. Department of Clinical Dental Sciences, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia.
5. Department of Prosthetic Dental Science, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
6. Research Chair for Biological Research in Dental Health, College of Dentistry, Riyadh, Saudi Arabia.