Sanitarian rating of medical x-ray apparatus used in helth care institutions of the ryazan region

The paper presents the results of studies of X-ray apparatus capabilities according to the type and timing of their use. The studies were made in the period from 2006 to 2008 in health care institutions of the Ryazan Region. According to the date we have got, more defections are found among the items with the timing of use more then 10 years. Most of such defections are registered among dental X-ray apparatus for general purposes.