18
Phenomena of troubles
Possible cause
Solutions
Display not steady while
measuring: the measurement
result is rather longer or
shorter; numerical display
irregular.
If there is liquid, scrap on the
tooth surface?
Cleaning the tooth surface.
If the endo needle contact the
gums?
The LCD will display
“OVER” if the endo needle
contact the gums.
If there is still have pulp in the
root canal?
If there is much pulp left in
the root canal, the root canal
length can’t be measured
correctly.
If the needle touched the metal
repaired material?
Once the needle touched
the metal repaired material,
current measurement from the
gums to the periodontal tissue
loss, the screen will display
“OVER”.
If the adjacent surface has
caries?
Current measurement flow
from caries of the adjacent
surface to gums, then the root
canal length can’t be measured
correctly.
Summary of Contents for DTE Dpex I
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