1. Faculty of Dentistry, Department of Orthodontics, Atatürk University, 25240 Erzurum, Turkey
2. Department of Periodontology, Oral Health Center, Gülhane Military Hospital, 06020 Ankara, Turkey
3. Department of Biochemstry, Faculty of Medical, Atatürk University, 25240 Erzurum, Turkey
4. Department of Orthodontics, Faculty of Dentistry, Osman Gazi University, 26140 Eskişehir, Turkey
5. Department of Periodontology, Faculty of Dentistry, Atatürk University, 25240 Erzurum, Turkey