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.
Periapical
by Tammy Davenport
for About.comUpdated: July 17, 2007
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
This type of dental X-ray is called a PA or periapical.
Photo © Tammy Davenport
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