California Registered Dental Assistant (RDA) Written Practice Exam

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What component of a partial controls the way it is seated in the mouth?

Clasps
Rests
Base
Framework

The correct answer is: Rests

The component of a partial that controls how it is seated in the mouth is called a "rest". Clasps are used to grasp onto existing teeth for stability in the mouth, but do not directly control seating. The base is the foundation of the partial denture, providing support for the artificial teeth. The framework is the metal structure that connects the other components together, but it does not have a major role in controlling seating. Therefore, the correct answer is B Rests.