5 Introduction to imaging plate technique
38 KaVo Scan eXam One
5.4 Background radiation
The user can pack imaging plates ready for use.
However, it is not recommended to store pre-
packed plates more than 24 hours.
NOTICE! Imaging plates react sensitively to
natural background radiation, which may cause
“fogging” and lack of contrast on the image.
The X-ray dose of single intraoral imaging is
approximately the same as the dose one person
gets from natural background radiation during one
day.
Imaging plates may gather radiation also during
transportation from the manufacturer. Therefore it
is recommended to perform initial erasing for the
new plates. This means that all imaging plates
should be processed once prior to use.
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