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X-Rays

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space placeholder. What Are X-Rays?.
space placeholder.What You See on an X-Ray.
space placeholder.More About X-Rays.
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space placeholder. What Are X-Rays?
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X-rays are a form of energy that travels in waves. X-rays can enter solid objects, where they either are absorbed or continue to pass through. X-rays tend to be absorbed by denser objects. They pass easily through less dense objects.

Teeth and bone are very dense, so they absorb X-rays. X-rays pass more easily through gums and cheeks. That's why cheeks and gums appear dark and without detail on a dental X-ray, but teeth show up much lighter. Restorations such as crowns and fillings are even denser than bone. They show up as solid, bright white areas on X-rays. Dental decay and caries (cavities) appear as darker patches.

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space placeholder.What You See on an X-Ray
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X-ray image with problem areas labeled


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space placeholder.More About X-Rays
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How Are X-rays Used?
How Often Should Teeth Be X-Rayed?
Types of X-Rays
X-Ray Safety
X-Ray Frequency Guidelines



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