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

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Question: 1 / 400

The purpose of inverting the dental dam is to ________.

Increase patient comfort

Prevent saliva leakage

Inverting the dental dam refers to flipping it over so that the shiny side faces the patient’s mouth. This helps to prevent saliva, blood and other fluids from leaking out, thus providing a clean and dry environment for the dentist to work in. It also avoids any contamination of the treatment area. Option A may seem like a plausible answer, but inverting the dental dam is primarily done for practical reasons rather than for patient comfort. Option C and D are incorrect as inverting the dental dam does not affect the speed of the procedure or serve as a demonstration of dental proficiency. Therefore, option B is the most suitable answer as it accurately describes the purpose of inverting the dental dam.

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Make the procedure faster

Demonstrate dental proficiency

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