Dentsply Maillefer PROPEX II, User Manual

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# Problem Possible cause Solution
6 Indication of file
position is not steady
during the procedure. 1. There is not a good
contact between the lip
clip and the oral mucosa.
1. Ensure a good contact
between the mucosa
and lip clip (Place the lip
clip in the labial angle
opposite the tooth to be
treated).
2. The connection hook is
soiled.
2. Clean the connection
hook (with Ethanol).
3. Deep caries provides a
conductive path outside
the canal.
3. Block the external
conductive path.
4. Perforation 4. Remove the file, close
the perforation and
repeat the apex
detection procedure,
carefully inserting the
file into canal.
5. Large lateral canal. 5. Try continuing the
procedure by gently
advancing the file.
7 The device does not
show file progression
inside the canal. 1. Bad electrical contact. 1. Perform the cable
connection test as
described in the User
Manual.
2. The connection hook is
not properly connected
to the file.
2. Place the connection
hook on the metal part
of the file below the
plastic handle.
3. The root canal is
obliterated.
3. Check the comparative
X-ray image for hints.
4. In the case of re-
treatment: old filling
material residues may
block the root canal.
4. Remove old root filling
material residues prior
to use.