1. Department of Prosthodontics, Faculty of Dentistry, Gazi University, Ankara, Turkey.
2. Department of Restorative, Faculty of Dentistry, Abant İzzet Baysal University, Bolu, Turkey.
3. Department of Prosthodontics, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey.
4. Department of Prosthodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey.
5. Department of Prosthodontics, Faculty of Dentistry, Bezmi Alem University, Istanbul Turkey.