PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY PUBLIC HEALTH ENGLAND / SCIENCE PHOTO LIBRARY
Taking a dental X-ray with a digital X-ray machine. The digital X-ray detector (a CCD) is inside the patient's mouth, attached to the end of the black wire. X-rays will be passed from the machine through the adjacent teeth to be recorded by the detector. This allows the diagnosis of dental conditions, such as cavities, in a localised area and without the excessive use of X-rays. This digital system, manufactured by Sirona, uses a CCD (charge-coupled device) to detect the X-rays, instead of photographic film. This produces a more detailed picture. Photographed in the UK.
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