California Registered Dental Assistant (RDA) Written Practice Exam

Question: 1 / 400

Spreaders and pluggers are used in the?

Cleaning of a tooth

Filling of a cavity

Obturation of a root canal

Spreaders and pluggers are small dental instruments that are used in endodontic (root canal) procedures. They are specialized tools used to shape, compact, and seal the root canal filling material. This is why option C is the correct answer. Options A, B, and D are incorrect because spreaders and pluggers are not used for cleaning, filling cavities, or extracting teeth. These procedures require different instruments and tools. It is important to choose the correct answer in order to have a successful root canal procedure.

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Extraction of a tooth

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