1. Department of Oral and Maxillofacial Radiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
2. Department of Dental Informatics, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
3. Department of Occlusal and Oral Functional Rehabilitation, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
4. Department of Oral Diagnosis and Dentomaxillofacial Radiology, Okayama University Hospital, Okayama, Japan
5. Department of Stomatology, School of Dentistry, University of Sao Paulo, Sao Paulo, Brazil
6. Oral Diagnostic Sciences, Faculty of Dentistry, Bayero University, kano, Nigeria
7. Preliminary Examination Room, Okayama University Hospital, Okayama, Japan
8. Department of Occlusal and Oral Funtional Rehabilitation, Okayama University Hospital, Okayama, Japan