Which of the Following Dental Restorative Materials Has a Linear

question 33

Multiple Choice

Which of the following dental restorative materials has a linear coefficient of thermal expansion closest to teeth?

• A) Glass ionomer base
• B) Dental amalgam
• C) Composites
• D) Gold alloys
• E) Unfilled acrylics and sealants

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Definitions:

Lichenification

A skin condition characterized by thickened, leathery patches resulting from excessive scratching or rubbing.

Keratosis

A general term for any skin condition characterized by an overgrowth of keratin, leading to rough, scaly patches.

Fissure

A long, narrow, and deep crack or opening often found in the anatomy of the body, such as the skin or the folds of the brain, that can indicate disease or a division between anatomical structures.

Seborrheic Keratoses

Benign skin growths that appear as brown, black, or light tan spots or patches on the skin, often associated with aging.