Researcher at the National Institute of Dental Research (NIDR) uses computers to measure very small changes in teeth and their surrounding tissues that are not detectable with conventional dental X-rays.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Exhibition:
Exhibited: "Images from the History of the Public Health Service," organized by Ronald J. Kostraba, Parklawn Conference Center, 1989.