Dale A Miles1, Robert A Danforth2. 1. Diplomate, American Board of Oral Medicine, Diplomate, American Board of Oral and Maxillofacial Radiology, Department of Comprehensive Dentistry, Dental Diagnostic Sciences, The University of Texas Dental School at San Antonio, 7703 Floyd Curl Drive, San Antonio, Texas 78229, USA, President, Cone Beam Radiographic Services, Private Practice, Fountain Hills, Arizona. Electronic address: miles.dale@gmail.com. 2. Diplomate, American Board of Oral and Maxillofacial Pathology, Professor in Residence of Clinical Sciences, University of Nevada Las Vegas, School of Dental Medicine, 1001 Shadow Lane, Las Vegas, Nevada 89106-4124, USA. Electronic address: radanforth@earthlink.net.