When the Patient Has a Fixed Prosthesis,such as a Three-Unit

question 15

Multiple Choice

When the patient has a fixed prosthesis,such as a three-unit bridge,the area under the pontic is maintained by:

• A)brushing with a toothbrush.
• B)threading dental floss under the pontic with a bridge threader.
• C)irrigation with a cannula.
• D)swishing with a mouthrinse.

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Definitions:

Improper Fractions

Fractions in which the top number (numerator) is equal to or higher than the bottom number (denominator), signifying a value of at least one.

Lowest Terms

The simplest form of a fraction, where the numerator and denominator are reduced to their smallest possible values.

Rusty Metal Fence

A fence made of metal that has undergone oxidation, resulting in a reddish-brown flaky coating on its surface.

Feet Per Hour

A measurement of speed or velocity indicating how many feet are covered in one hour.