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DANB's IS (IS) Practice Tests & Test Prep by Exam Edge


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DANB IS Practice Test Features

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DANB's Isolation Sample Test

1 of 5

Which of the following is NOT a function of utilizing the High Volume Evacuator (HVE)?





Correct Answer:
removal of excess fluoride during tray application. 


the high volume evacuator (hve) is a crucial tool in dental procedures, primarily designed to enhance the operational field's cleanliness and safety. by efficiently removing water, blood, saliva, and debris, the hve maintains a clear and dry working area for the dentist or hygienist. this is vital during various dental treatments where visibility and cleanliness are necessary to ensure effective and precise outcomes.

another essential function of the hve is the retraction of the tongue, lips, and cheek. this capability is especially important as it helps prevent soft tissue from interfering with dental procedures. by holding these tissues away from the treatment area, the hve minimizes the risk of accidental contact with dental instruments, thus enhancing patient safety and comfort.

furthermore, the hve plays a significant role in minimizing aerosols created during dental procedures, particularly when using high-speed handpieces. aerosols can carry microorganisms and potentially lead to cross-contamination between patients and dental professionals. by effectively reducing the amount of aerosols in the dental office atmosphere, the hve contributes to a healthier and safer environment.

however, the removal of excess fluoride during tray application is not a function of the hve. fluoride application in dentistry typically involves applying a fluoride gel or varnish directly to the teeth to help prevent tooth decay. the process of applying fluoride does not usually require the suction power of the hve, as it does not generate significant aerosols, saliva, blood, or debris. instead, the role of the hve is more aligned with managing byproducts of more invasive dental procedures rather than fluoride treatments, making this option the correct answer to the question of which function is not associated with the use of the hve.


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DANB's IS (IS) Practice Tests & Test Prep by Exam Edge - Review

DANB's Isolation - Reviews

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