7 Troubleshooting
44
KaVo Scan eXam One
Cone cut
X-ray beam has exposed only part of the imaging
plate surface. Image may show on different
(smaller) size than the imaging plate used.
•
Check exposure procedure.
•
Use of proper holder avoids this.
Unsharp or blurred images, motion artefact
Patient or X-ray cone has moved during the expo-
sure.
•
Check exposure procedure.
•
Check the stability of your intraoral X-ray
unit.
•
Use proper holders.
•
Too long exposure time may have been
used.
Use shorter exposure time (increase kV if
necessary to compensate effect of shorter
exposure time).
Geometry distortion
Improper patient positioning.
•
Use proper holders to avoid this.
NOTICE!
Never do accurate measurements on in-
traoral images unless having known size of refer-
ence object in the imaging plane.
Approved:
Reviewed: Jalkanen Joni 2017-02-13 16:00
Reviewed
See PDM system to determine the status of this document. Printed out: 2017-03-17 10:35:17
D510414, 5
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