California Registered Dental Assistant (RDA) Written Practice Exam

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What is the purpose of selective polishing?

  1. To remove all plaque

  2. To polish only teeth with stains

  3. To whiten teeth

  4. To strengthen enamel

The correct answer is: To polish only teeth with stains

Selective polishing is a technique used by dental professionals to remove surface stains and plaque from teeth that are visible when smiling. The purpose of selective polishing is not to remove all plaque, as this task is accomplished through regular brushing and flossing. Additionally, selective polishing is not used to whiten teeth, as this requires bleaching agents or other treatments. Strengthening enamel is another important aspect of oral hygiene, but it is not the main purpose of selective polishing. The main purpose of selective polishing is to improve the appearance of stained teeth by targeting specific areas that need attention.

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