6 Operation
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Blocked
Blocked canal
The meter will not run if the canal is
blocked. Opening the canal all the way
to the apical construction to measure
it.
Too dry
Extremely dry canal
If the canal is extremely dry, the meter
may not work until it is quite close to
the apex. In this case, try to moisten
the canal with oxydol or saline.
Difference measuring result between Apex locator reading and
Radiography
Sometimes the reading of the apex locator reading does not correspond
to the X-ray image. this does not mean inaccurate of apex locator or X-
ray, depending on the angle of the X-ray beam, the root tip may not be
displayed correctly. The position of the root tip seems to differ from its true
position.
