1. Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, Saudi Arabia. E-mails: drdurgesh19@gmail.com, smalhijji@ksu.edu.sa, omer_hh@yahoo.com, aalkhuraif@ksu.edu.sa
2. Department of Biomaterials Science, Institute of Dentistry, University of Turku, Turku, Finland
3. Dental Biomaterials Department, College of Dentistry, Al Azhar University, Egypt
4. General Dentist, Private Dental Practice, Riyadh, Kingdom of Saudi Arabia. E-mail: pavithradr1983@gmail.com
5. Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Saudi Arabia. E-mail: malsharawy@ksu.edu.sa
6. Department of Biomaterials Science, Institute of Dentistry, University of Turku and City of Turku Welfare Division, Finland. E-mail: pekval@utu.fi
7. Visiting Professor Program, King Saud University, Saudi Arabia