1. Department of Conservative Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia;
2. Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia;
3. Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, King Saud University, Riyadh, Saudi Arabia;
4. Dental Materials Unit, Center for Dental and Oral Medicine, University of Zürich, Zürich, Switzerland;
5. Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia