1. Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Eskisehir Osmangazi University, Eskisehir, Turkey.
2. Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Baskent University, Ankara, Turkey.
3. Faculty of Dentistry, Department of Prosthodontics, Baskent University, Ankara, Turkey.