All of the Following Items May Cause Extrinsic Stains to Form

question 19

Multiple Choice

All of the following items may cause extrinsic stains to form on the enamel surface EXCEPT one.Which one is the EXCEPTION?

• A) Stannous fluoride
• B) Coffee
• C) Smoking
• D) Tetracycline

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Definitions:

Organized Wholes

The principle that the mind tends to integrate perceptual input into whole, complete structures rather than perceiving separate parts.

Bug Detectors

Devices used to detect and locate eavesdropping devices or surveillance bugs.

Superior Colliculus

A structure in the midbrain that plays a significant role in orienting movements of the eyes and head, and in processing visual and other sensory information.

Ganglion Cells

Retinal neurons that gather visual data from photoreceptors and relay it to the brain via the optic nerve.