1. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Istanbul University, Istanbul, Turkey
2. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Near East University, Nicosia, Turkey
3. Department of Periodontology, Faculty of Dentistry, University of Kyrenia, Kyrenia, Turkey
4. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ankara University, Ankara, Turkey