1. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ankara University, 06560 Ankara, Turkey
2. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ada Kent University, 33010 Mersin, Turkey
3. Department of Endodontics, Faculty of Dentistry, Adnan Menderes University, 09010 Aydın, Turkey
4. Department of Endodontics, Faculty of Dentistry, Ankara University, 06500 Ankara, Turkey
5. BTech Innovation, Teknokent METU, 06800 Ankara, Turkey
6. School of Dental Medicine, Boston University, Boston, MA 02118, USA