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  • Dental X-ray of half of a mouth.
    Rights: Politikaner, Creative Commons 3.0 Published 21 July 2007 Size: 2.8 MB Referencing Hub media

    X-rays are a form of electromagnetic radiation. They strike an object and, depending on the density of the object, some of the x-rays will be absorbed. X-rays that aren’t absorbed pass through the item being x-rayed, and they hit a photographic plate to give an image.

    X-rays are used by dentists to diagnose and treat a wide variety of problems.

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