Guilin Woodpecker Medical Instrument DTE Dpex I, Instruction Manual

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19
Phenomena of troubles Possible cause Solutions
Display not steady while
measuring: the measurement
result is rather longer or
shorter; numerical display
irregular. Whether there is collateral or
the tooth root is broken? Once the needle reached the
collateral or the broken part
of the tooth root, current
measurement will overflow
from periodontal ligament, it
display “OVER”.
Is it because in addition to the
top pulp chamber, low tooth
crown? Or there are residues
left? Use rubber dam to prevent the
current flow to gums.
Are there cysts apical? If there has cysts, the length of
root canal can’t be measured
accurately.
Whether the file clip is not
clean or broken? Cleaning the file clip by
alcohol, or replace it.
Whether the measuring wire is
broken or poor contact? Contact the both end of the
measuring wire directly, it
display “-3”.