1 Section of Oral and Maxillofacial Radiology, Division of Diagnostic Sciences, University of California Los Angeles (UCLA) School of Dentistry, Los Angeles, CA, USA. Electronic address: abhula@g.ucla.edu.
2 Section of Oral and Maxillofacial Radiology, Division of Diagnostic Sciences, University of California Los Angeles (UCLA) School of Dentistry, Los Angeles, CA, USA.
3 Department of Oral-Maxillofacial Surgery and Pathology, University of Mississippi Medical Center, Jackson, MS, USA.
4 Department of Diagnostic Sciences, University of the Pacific Arthur A. Dugoni School of Dentistry, San Francisco, CA, USA.