What Is Percolation

question 9

Multiple Choice

What is percolation?

• A) The rate at which heat flows through a material
• B) A form of chemical rather than mechanical retention
• C) Something that helps seal the interface between tooth and restorative material
• D) Something that allows the ingress of bacteria and oral fluids and may lead to recurrent caries,staining,and pulpal irritation

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Definitions:

Open Door Note

A series of policy statements issued by the United States in the late 19th and early 20th centuries advocating for equal privileges among countries trading with China.

Boxer Rebellion

An uprising in China (1899-1901) by the "Boxers" aiming to rid the country of foreign influence and Christian missions.

Buffalo Soldiers

Nickname for the African American soldiers who served in the U.S. Army's 10th Cavalry Regiment after the Civil War, playing a significant role in the American West.

Black Troops

African American soldiers, especially those who served in the United States armed forces during the Civil War and other conflicts, often facing segregation and discrimination.