California Registered Dental Assistant (RDA) Written Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is the primary purpose of dental liners?

To enhance the appearance of fillings

To protect the pulp from any type of irritation

Dental liners are placed between the tooth and filling or restoration to protect the pulp, which is the sensitive inner layer of the tooth. They are not used to enhance the appearance of fillings or add strength to the final restoration. While they may fill in small gaps, this is not their primary purpose and there are other materials specifically designed for this purpose. It is important for dental liners to protect the pulp from irritation to prevent potential pain or damage to the tooth.

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To fill in gaps and prevent leakage

To add strength to the final restoration

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