5 Introduction to imaging plate technique
30 SOREDEX 208396 rev 2
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.
Note! Imaging plates react sensitively to natural back-
ground 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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