This is also the same film used to take bitewing X-rays. The only difference is the holder and the way it is positioned in your mouth.
PA Film
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 is the film used to take a PA or a Periapical film.
Photo © Tammy Davenport
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