The Best Method to Remove Debris from the Head of the Handpiece

question 30

Multiple Choice

The best method to remove debris from the head of the handpiece is to:

• A)wipe off with disinfectant.
• B)flush the handpiece for 10 to 20 seconds.
• C)place it in an ultrasonic cleaner.
• D)run water through the handpiece.

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Definitions:

Continental Crust

The thick, buoyant part of the Earth's crust that forms the continents, contrasted with the denser oceanic crust.

Thickness

The measurement from one surface of an object or material to the opposite surface.

Intrusions

Masses of igneous rock that have forcibly inserted themselves into preexisting rock formations.

Regional Land Elevation

The average height of the land surface of a specific area relative to sea level, which can influence climate, vegetation, and human settlement.