Saliva Is Supersaturated with Bacterial By-Products That Allow Demineralized Areas

question 6

Multiple Choice

Saliva is supersaturated with bacterial by-products that allow demineralized areas of hydroxyapatite in enamel to be remineralized.Demineralization occurs when calcium,phosphate,and other minerals migrate from the enamel surface into the dentin.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true; the second is false.
• D) The first statement is false; the second is true.

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Definitions:

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time.

Sensory Overload

A condition where one or more of the body’s senses experiences over-stimulation from the environment.

Sensory Adaptation

The process by which sensory receptors change their sensitivity to a stimulus, usually diminishing response to a constant stimulus over time.

Perfume

A fragrant liquid typically made from essential oils or aroma compounds, used to provide a pleasant scent.