1. Department of Prosthodontics, Faculty of Dentistry, Istanbul Aydin University, Istanbul, Turkey.
2. Department of Prosthodontics, Faculty of Dentistry, Selcuk University, Konya, Turkey.
3. Department of Prosthodontics, Faculty of Dentistry, Bezmialem Vakif University, Istanbul, Turkey.
4. Department of Chemical Engineering, Faculty of Engineering, Selcuk University, Konya, Turkey.