DENTSPLY PROPEX II User Manual page 15

2) Apical Zone
The apical zone is divided into 10 segments graduated from 0.9 to 0.0 (apex) as
visual information of file progression.
When the apex is reached, the cursor shows "APEX" and a solid tone is emitted.
Beginning of Apical
Zone
Note: As a safety precaution in order to avoid over-instrumentation, it is
recommended to proceed as follows: place the fill onto an endodontic ruler at
the point where the ProPex
mm from the measured file length.
3) Over-instrumentation
A red segment and a warning signal indicate that the file has passed the Apex. The
cursor on the tooth icon shows "OVER".
Middle of Apical Zone
II indicates 'APEX'. Subtract a minimum of 0.5
®
Apical position
14 / 120