USER MANUAL
Control and correction
Ow-RX
(Rev. 6)
62
10.
CONTROL AND CORRECTION OF ANY
ERRORS IN THE DENTAL X-RAYS
10.1
Typical defects of intra-oral X-rays
•
X-rays too light
Possible causes:
•
Insufficient X-ray exposure (short time)
•
Insufficient development time
•
Film processor damaged
•
Film processor temperature lower than the recommended value
•
Incorrect dilution of the developing liquids.
•
X-rays too dark
Possible causes:
•
Excessive X-ray exposure
•
Excessive development time
•
Film processor temperature higher than the recommended value
•
Incorrect dilution of the developing liquids.
•
X-rays out of focus (impossible to see the details)
Possible causes:
•
The patient moved
•
The tube-head moved.
•
X-rays with herringbone shaped marks
Some intra-oral films have a thin layer of lead in the package that
engraves a few herringbone shaped marks in the lower part. These
films can only be exposed to radiation on one side. If the film is
exposed from the wrong side, the layer of lead will absorb a large
quantity of radiation during exposure. The result will be a lighter
X-ray and the film will show herringbone shaped marks.
Summary of Contents for Ow-RX
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Page 22: ...USER MANUAL Description Ow RX Rev 6 16 5 DESCRIPTION 5 1 Identification plates 5 1 2 6 4 3...
Page 73: ...USER MANUAL Maintenance Rev 6 Ow RX 67...
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