The working tip of the ultrasonic unit should be kept in constant motion in order to avoid:
The ultrasonic scaling unit forces the breakdown of cement for removal by:
An RDA who has successfully completed a Board Approved course in ultrasonic scaling may legally:
What is the best place for a fulcrum when removing cement using the ultrasonic scaler?
When using the ultrasonic unit to remove dental cement, what portion of the scaler tip is used?
When tuning the ultrasonic unit prior to beginning treatment, always:
Subgingival calculus or cement subgingival is removed by:
The ultrasonic scaler tip is placed at ____________ degree angle to the tooth surface.
The best way to hold the handpiece when removing cement from the coronal surface of the tooth using an ultrasonic scaler is:
Why is it recommended that water be used with the ultrasonic unit when:
In what direction should the operator move the handpiece when removing cement?
The ultrasonic scaler must never be used on a patient without consulting with the patient’s physician:
Improper use of the ultrasonic unit may result in:
What characteristic of the ultrasonic scaling unit causes the cement to fracture and fall off?
The DPA designates the RDA in the use of an ultrasonic scaler unit to: