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Section VII: Techniques
7-A: Performing Ultrasonic Scaling Procedures
1. Use purified or distilled water to prevent infection when patients experience tissue
laceration during treatment.
2. Keep the power cord tidy to avoid tripping and other accidents.
3. Position the footswitch in an easily-accessible spot for the user. Keep the footswitch cord
tidy to avoid tripping and other accidents.
4. Lock the tip in the hand piece securely using the enclosed torque wrench.
CAUTION: DO NOT FORCE OR OVERTURN THE TIP INTO PLACE! Doing so will
damage the tip, hand piece, and wrench.
NOTE: The scaler will not operate if the tip is either removed from the hand piece or
improperly installed.
5. Hold the hand piece over a sink or drain with a tip installed. Verify that water is reaching
the tip.
6. Check your iM3 piezo tip for wear and replace as needed. Tips should be disposed of and
replaced every 4-6 months.
7. Use the foot control to regulate water flow to the hand piece. Hold down the foot control to
allow water to flow through. Release the foot control to stop.
8. Adjust the water flow to the desired level using the water-adjustment knob. Increase the
water flow by turning the water-adjust knob clockwise. Decrease the water flow by
turning the water-adjustment knob counter-clockwise.
NOTE: Increased water flow results in a cooler hand piece temperature.
CAUTION: During operation, a continuous flow of water is required to keep the hand
piece cool.
9. The LED in the hand piece lights up when the foot switch is activated. It will remain lit for
20 seconds after the foot switch is released (on LED model hand pieces only).
7-B: Patient Comfort Considerations
1. Position the patient comfortably in the patient chair. Adjust the chair angle and position to
access the patient's oral cavity with ease and comfort.
2. Remove excess saliva and debris in the patient's mouth with a saliva ejector.
3. Rotate the patient's head gently so that the oral cavity can be easily reached without
causing discomfort to the patient (see figure below).
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