Cavity Liners and Varnishes

question 21

Multiple Choice

Cavity liners and varnishes:

• A) function as a protective barrier between dentin and the restorative material.
• B) protect the pulp from the high pH of calcium hydroxide.
• C) minimize the ingress of oral fluids at the restoration-tooth interface.
• D) do A, B, and C.
• E) do A and C.

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Definitions:

Utility Function

A mathematical representation of how different combinations of goods or services generate levels of happiness or satisfaction to the consumer.

Utility

A measure of the satisfaction or happiness that a person derives from consuming goods and services.

Marginal Rate

Refers to the rate at which one quantity changes with respect to a change in another, commonly used in economics to describe the marginal rate of substitution or marginal rate of transformation.

Indifference Map

A collection of indifference curves that graphically represent a consumer's preferences across different combinations of two goods.