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Step-by-Step Instructions Troubleshooting #

6.6.3 Over-Instrumentation
N° Problem Possible cause Solution
A red segment and a warning signal indicate that the file has passed the No sound during the The sound control is set at Adjust the sound level as
Apex. The cursor on the tooth icon shows “OVER”. 5. procedure. “Mute” level. described in the User Manual.
Ensure a good contact between
There is not a good contact the mucosa and lip clip (Place
between the lip clip and the oral the lip clip in the labial angle
mucosa.
opposite the tooth to be treated).
Clean the connection hook (with
The connection hook is soiled.
Ethanol).
Indication of file position is Deep caries provides a
6. not steady during the conductive path outside the Block the external conductive
procedure. canal. path.
Remove the file, close the
perforation and repeat the apex
Perforation.
detection procedure, carefully
inserting the file into canal.
Try continuing the procedure by
Large lateral canal.
gently advancing the file.
Perform the cable connection
Bad electrical contact. test as described in the User
Manual.
Place the connection hook on
The connection hook is not the metal part of the file below
properly connected to the file.
6.6.4 Completion of the Measurements the plastic handle. 25567_eyal-Y-MK1-837 - 25567_pnim_y-mk1-837_eyal.1.1 | 1 - B | 18-06-11 | 09:03:43 | SR:-- | Magenta
Check the comparative X-ray 25567_eyal-Y-MK1-837 - 25567_pnim_y-mk1-837_eyal.1.1 | 1 - B | 18-06-11 | 09:03:43 | SR:-- | Yellow 25567_eyal-Y-MK1-837 - 25567_pnim_y-mk1-837_eyal.1.1 | 1 - B | 18-06-11 | 09:03:43 | SR:-- | Cyan
Before unplugging the Measurement cable from the device receptacle, The root canal is obliterated. image for hints. #25567_eyal-Y-MK1-837 - 25567_pnim_y-mk1-837_eyal.1.1 | 1 - B | 18-06-11 | 09:03:43 | SR:-- | Black
disconnect the lip clip and the connection hook from the patient. In the case of re-treatment: old
filling material residues may Remove old root filling material
Move the file stopper to the selected reference point on the tooth. The device does not show block the root canal. residues prior to use.
7. file progression inside the
Gently remove the file from the canal and measure the apical length canal. The root canal may be blocked Completely remove the
between the stopper and the file tip. by the remnants of a medication remnants prior to use.
(e.g. calcium hydroxide).
As a safety precaution in order to avoid over-instrumentation, it is Root canal is extremely dry. Rinse the root canal with NaCl
solution. Dry the access cavity
recommended to proceed as follows: with a cotton pellet/ air-blower.
®
- stop file progression in the canal at the point where the ProPex II If there is no parietal contact use
indicates ‘APEX’; The selected file is too small for larger ISO size file.
Important: exactly fitting files
a large root canal.
- place the file onto an endodontic ruler and measure the apical lead to precise results.
length; Electronic malfunction. Contact your distributor.
- subtract a minimum of 0.5 mm from the measured file length.

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