1. Department of Prosthodontics; Faculty of Dentistry, Abant Izzet Baysal University; Bolu Turkey
2. Department of Prosthodontics; Faculty of Dentistry, İstanbul Medipol University; İstanbul Turkey
3. Department of Prosthodontics; Faculty of Dentistry, Sifa University; Izmir Turkey
4. Department of Prosthodontics; Faculty of Dentistry, Selcuk University; Konya Turkey
5. Department of Physics; Faculty of Science, Selcuk University; Konya Turkey