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Periapical

From , former About.com Guide

Updated: July 17, 2007

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This type of dental X-ray is called a PA or periapical.
Periapical
Photo © Tammy Davenport
This type of film allows the dentist to focus on one or two teeth including the roots, and is usually taken if a person is having a problem with a certain tooth or a certain area of the mouth.
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