Dentin Comes in Direct Contact with What Substance Above the Gum

question 21

Multiple Choice

Dentin comes in direct contact with what substance above the gum line?

• A) Enamel
• B) Cementum
• C) The periodontal membrane
• D) Both B and C

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Definitions:

Correlational Studies

Research methods that examine the relationship between two or more variables to determine if they are associated.

Correlational Design

A research method that examines the relationship between two or more variables without manipulating them.

Scientific Information

Knowledge obtained through systematic observation, experimentation, and analysis, often peer-reviewed and published in scientific journals.

Research

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.