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The fluid stream flowing through a powered instrument tip pr…

The fluid stream flowing through a powered instrument tip produces bactericidal effects.  Slim-diameter insrument tips penetrate deeper into periodontal pockets than do hand instruments.  

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Ultrasonic instruments are used with light stroke pressure….

Ultrasonic instruments are used with light stroke pressure. The very end (point/tip) of the ultrasonic tip should be directly adapted to the tooth surface.  

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The power knob on an ultrasonic device controls which of the…

The power knob on an ultrasonic device controls which of the following? 

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What mechanism does an ultrasonic use to remove calculus dep…

What mechanism does an ultrasonic use to remove calculus deposits fro the tooth surface?

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Which of the following BEST describes the ethical principle…

Which of the following BEST describes the ethical principle of nonmaleficence? 

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The appropriate mechanism of action for a magnetostrictive d…

The appropriate mechanism of action for a magnetostrictive device is:

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From the list below, select the cause(s) of a hot handpiece…

From the list below, select the cause(s) of a hot handpiece while scaling with a magnetostrictive scaling device.  1. distorted insert stack 2. trapped air bubble in handpiece 3. inadequate volume flow of water 4. power setting is too high

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A system such as ORA, which facilitates the inclusion of mul…

A system such as ORA, which facilitates the inclusion of multiple aspects of patient information in a concise and structured manner can be used to:

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In most cases, the active tip area of a piezoelectric instru…

In most cases, the active tip area of a piezoelectric instrument tip vibrates in a (an) _____________ pattern. 

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The function of the water that exits near the tip of an ultr…

The function of the water that exits near the tip of an ultrasonic instrument is: 

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