Dental and mammographic x-ray performance standards
This article was originally published in The Gray Sheet
Executive Summary
Final rule effective Sept. 30 prohibits an x-ray irradiation beam from extending beyond the edge of the receptor by more than two percent of the source-image receptor distance, and provides clarification changes to the mammography equipment requirements contained in 21 CFR part 1020. The July 2 rule exempts panoramic dental x-ray units from automatic timer requirements, which some states had applied