aAssistant Professor, Department of Prosthodontics, Faculty of Dentistry, Mustafa Kemal University, Hatay, TurkeybAssociate Professor, Department of Restorative Science and Prosthodontics, The Ohio State University College of Dentistry, Columbus, OhiocAssistant Professor, Department of Prosthodontics, Faculty of Dentistry, Eskişehir Osmangazi University, Eskisehir, TurkeydAssociate Professor, Department of Prosthodontics, Faculty of Dentistry, Başkent University, Ankara, Turkey