Admission Test for Dental Hygiene (ATDH) Practice 2025 – All-in-One Study Guide to Excel in Your Exam!

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What is the purpose of using a disclosing agent during an oral examination?

To whiten teeth

To highlight areas of plaque accumulation

The correct choice highlights the primary function of a disclosing agent, which is to reveal areas of plaque accumulation on the teeth. Disclosing agents contain dyes that adhere to the bacteria in plaque, enabling dental professionals and patients to visually identify regions that require more attention during oral hygiene practices. This aids both in educating patients about their oral hygiene habits and in guiding them on effective brushing and flossing techniques to improve their dental health.

While whitening teeth, assessing gum health, and freshening breath are relevant to dental care, they do not encompass the specific role of disclosing agents. A disclosing agent does not affect the color of teeth, measure gum health directly, or improve breath odor, making those other options unrelated to the main purpose of identifying plaque.

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To assess gum health

To freshen breath

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