TDO User Meeting & Scientific Session

Fall 2011


  • What the Medical Imaging community can teach us: Signal detection therory, ROC analysis, Bayes Therorem, Role of Uncertainty
  • Perceptual and cognitive factors in understanding Cone Beam volumes
  • Sources of error in CBCT imaging and Interpretation
  • Understanding radiation exposure in CBCT Imaging
  • The latest in Dosimetry on various CBCT tools
  • Dosimetry Risk Assessment in CBCT Imaging
  • What endodontists need to know about sinus pathosis in CBCT imaging
  • When is referral to a radiologist or ENT specialist is indicated
  • What is the latest on sinus disease secondary to endodontic pathosis
  • How to read a sinus CBCT – what to look for

The Next Level in Understanding Cone Beam Technology

Developing Expertise in Cone Beam Technology for Endodontists Cone Beam Imaging and Endodontics

When: Thursday September 29th, 2011
Where: Paradise Point, San Diego, CA 92121
Who: All TDO’ers and even non-TDO’ers!

About The Presenters

Kevin S. Berbaum, PhD


  • BA, Psychology and English Literature, Millikin University, Decatur, IL, 1971
  • Psychology: Perception and Psychophysics, Loyola University, Chicago, IL, 1973
  • PhD, Experimental Psychology: Perception and Psychophysics, SUNY, Buffalo, NY, 1978

Research Interests:

  • Observer performance in diagnostic radiology
  • Receiver Operating Characteristic (ROC) analysis
  • Eye-position recording
  • Human pattern recognition
  • Visual perception
  • Psychophysics

John B. Ludlow DDS, MS, FDS RCSEd

Dr. Ludlow is a Professor in, and Graduate Program Director of, the Radiology Section of the Department of Diagnostic Sciences and General Dentistry at the University of North Carolina School of Dentistry. He received his DDS from the University of Michigan in 1978 and MS in Oral Diagnosis and Radiology in 1983. He joined the UNC faculty in 1989. He is a past president of the American Board of Oral Maxillofacial Radiology, and past secretary of the American Board of Oral Medicine. He is a member of the State of North Carolina Radiation Protection Commission.

He chairs the Board of Directors of the Caring Dental Professionals of North Carolina – a wellness program for dentists and dental hygienists. He is a member of Omicron Kappa Upsilon National Dental Honor Society, a Fellow of the American College of Dentists, and a Fellow of the Royal College of Surgeons, Edinburgh. Dr. Ludlow has published over 80 papers and was the AAOMR Weurhmann Prize winner for the best radiology research paper of 2006-2007.

Dr. David Hatcher, DDS

Dr. Hatcher received his D.D.S. degree from the University of Washington in 1973. Subsequently he completed two years of active duty in the U.S. Public Health Service and a one year general practice residency program at the University of Vermont Medical Center. Following three years as an instructor and one year as active director of the general practice residency program and the hospital dental clinic at the University of Washington, Dr. Hatcher entered the graduate program in radiology at the University of Toronto and was granted a specialty in Oral and Maxillofacial Radiology in 1982 and an M.Sc. in 1983. His thesis topic dealt with radiology of mandibular dysfunction.

Dr. Hatcher was an Associate Professor and Chairman of the Division of Radiology for five years at the University of Alberta, Canada. He was also Director of the Temporomandibular Joint Investigation Unit and Clinic while at the University of Alberta. He has faculty appointments at both the University of California San Francisco and the University of Pacific Dental Schools. He has published many articles and lectured extensively to medical and dental organizations in the United States and Canada. Presently Dr. Hatcher is in private practice at ddi.

Meeting Outline

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