What are the differences between CR and DR in veterinary dental radiography?

CR is the abbreviation for Computed Radiography. It is the use of a Phosphor Imaging Plate to create a digital image that is the CR process. CR uses a cassette-based system like analogue film. As the CR is an older technology, it is right to say that it is cost effective as well. However, this technology needs a lot of assistance in order to proceed a diagnostic image properly.

Digital Radiography, DR in the short term is the latest technology in radiography. The DR technology transfer automatically the images to a computer. So you can quickly evaluate and propose a diagnosis. As it is a recent advancement, it is, of course, slightly expensive compared to Computed Radiography but with a lot of advantages.

To facilitate the analysis of the differences and the pros and cons of both technologies we have made a simple guide who we hope will help you comprehend the difference between both systems and give you a clearer idea of what would be ideal for your clinic.

Pros

CR	DR
Cheap initial cost	Less time consuming
Effective for small and big clinic	High quality image
Compatible for a wide range of system	No CR reader, less real estate required
CR “plates” are more flexible	20% less radiation dose
CR also comes in a size “4”	Quick change from one sensor to another
	Fast image acquisition
	High volume capacity
	Can be mobile*
	Fast access to a diagnostic, better for the patient
	Direct USB connector enables fast image transfer

Cons

CR	DR
Long time to see the diagnostic image	Rigid sensor
Increase exposure techniques	Initials cost are more expensive
Higher maintenance
Move parts for reader
CR cassettes susceptible to scratches and tears
Longer time for full mouth series

*Not available in the following provinces: ONTARIO

We hope this article was interesting for you. If you wish to get more information on the dental veterinary radiography, please let us know. It will be our pleasure to help by answering your questions.

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