A3 PLUS - A5 - A6 PLUS - L6
SURGICAL SINGLE CART
5.9. ELECTRONIC APEX LOCATOR
The instrument is used to locate the apex of the root canal during
endodontic treatments. The apex localisation is useful to obtain the work
length together with the visible reference rubber stopper, which is
manually positioned on the probe inserted in the canal. With micromotor
in ENDODONTIC mode and with suitable contra angles, the locator uses
the same file inserted in the canal as the active detection probe. The
instrument does not replace X-ray diagnostics, which must be
implemented in any case.
Component description.
1 APEX LOCATOR external wiring.
1.1 APEX LOCATOR external wiring - neutral pole.
1.2 APEX LOCATOR external wiring - active pole.
2 Hook-type electrode.
3 Probe.
4 APEX LOCATOR clip connecting tweezers.
5 APEX LOCATOR external wiring port.
Operation.
• On this dental unit, the locator is automatically activated upon external
wiring (1) insertion inside the special socket (5) positioned under
dentist's board.
Once enabled, the menu for trigger threshold setting appears on the
DISPLAY.
• Electrode application:
- Connect hook-type electrode (2) to neutral pole (1.1) and position it
on patient's lip.
- Connect active pole (1.2) to file (not supplied) inserted inside the root
canal; connection to the file can be carried out through probe (3) or
through the special tweezers (4) or directly from the file inserted in
the canal through special handpieces.
Electrodes are supplied NON-sterile.
Indications on LCD TOUCH display.
A1 Bargraph for graphic display of the file position from apex.
A2 APEX: numerical display of the file distance from apex.
A3 ALARM: it indicates the distance between instrument and apex
above which an audible signal - progressively increasing as
instrument gets closer to apex - is generated.
Set that distance using the INCREASE (V) and
DECREASE (U) buttons.
Both graphic and numerical indications are constantly
updated while file is inserted inside canal.
Buttons.
D Activates/deactivates the sound upon reaching the set ALARM
distance.
Sound for the selected status:
3 BEEPS alarm enabled
1 BEEP alarm disabled.
APEX LOCATOR combined with electric micromotor.
This locator can also be used in combination with the electric micromotor
when set to ENDO mode.
When the locator is enabled, if electric micromotor is extracted in ENDO
mode both the information relating to the micromotor and those relating
to locator (bargraph and APEX values) are shown at the same time on
the display.
During electric micromotor operation, the keys are associated to
instrument functions, and locator trigger threshold cannot be edited but
by putting instrument back in place.
With the Goldspeed EVO E4® and Sirona Endo 6:1 contra angles it is
also possible to enable the APEX STOP function, which automatically
stops the micromotor once the triggering threshold is reached:
X1 APEX STOP disabled.
X2 APEX STOP enabled
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