USER MANUAL Page 32 of 69
As the tip deteriorates, it is more likely to fracture and could fall into the sulcus or a
deep periodontal pocket. To avoid this problem, it is prudent to periodically “cleave”
the discolored tip.
The cleave is made after stripping off the jacket to expose approximately 2cm of bare
fiber. The cleave should be made at a point approximately 8-10 mm from the position
of the previous cleave so that there is no visible discoloration of the tip.
A. Place the index finger at the position to be cleaved so as to stabilize the fiber.
B. Using the pen style cleaver, draw the cleave blade across the top of the fiber with
enough pressure to “score” the fiber.
See Figure
.
C. With the thumb and index finger of each hand holding the fiber at a spot
approximately 8-10mm on either side of the cleave mark, break fiber against
cleave.
See Figure 9.
D. To check the quality of the cleave, after you have cleaved the fiber, point it
perpendicular to a white paper and set the laser in READY mode. Hold the tip
approximately 10mm from the paper. You should see a near perfect circle of red
light. If you have a large comet effect radiating from the circle, you have to cleave
again.
Figure 9 Scoring and cleaving.
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