1. Ali Erdem, DDS, PhD, Department of Prosthodontics, School of Dentistry, University of Sifa, Bayrakli, Izmir, Turkey
2. Gülcan Coşkun Akar, DDS, PhD, associate professor, Ege University, Prosthodontics, Ataturk Medical Technology Vocational Training School, University of Ege, Bornova, Izmir, Turkey
3. Timur Kose, PhD, Department of Biostatistics and Medical Informatics, School of Medicine, University of Ege, Bornova, Izmir, Turkey