250 a Assistant Professor, b Associate Professor, Department of Orthodontics, Faculty of Dentistry, Cumhuriyet University, Sivas, Turkey. c Fellow Researcher, Ankara Mevki Military Hospital, Ankara, Turkey. Corresponding author: Ali Altuğ Biçakçi. Department of Orthodontics, Faculty of Dentistry, Cumhuriyet University, 58140 Sivas, Turkey. +0090 5324041303; e-mail, [email protected]. Recei...