7.4.10. Movement of the file inside the canal is reflected by the DOWN (Fig. 5) and
UP (Fig. 6) arrows on the screen.
7.4.11. Continue to advance the file moving it smoothly in a watch-winding motion.
As the instrument progresses toward the foramen, color segments inside the
root canal image accompanied by audio signals with varied frequency will
indicate the file's progress. Numerical readings 2.0, 1.75, 1.5, 1.25, 1.0, 0.75,
0.5, 0.25, 0.0 (Foramen) or OVER appear under the tooth icon (Figs. 7-11).
Erratic movement of the file may cause unstable readings.
Median Zone (Blue)
Fig. 7
Fig. 5
Beginning of the
Apical Zone (Blue)
Fig. 8
10
Fig. 6
Mid Apical Zone
(Green)
Fig. 9