1. Department of Dentistry Services, Vocational School of Health Services, Ondokuz Mayıs University, Samsun, Turkey.
2. Department of Prosthodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey.
3. Department of Prosthodontics, School of Dental Medicine, Bahçeşehir University, İstanbul, Turkey.