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


(5.0) Based on 28 Reviews
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DANB CPFDA Practice Test Features

Everything you need to pass your certification exam!


Passing your DANB's CPFDA can be a very stressful time in your life. So why take chances with your preparation? Let us help you through the certification process. See why so many users choose ExamEdge.com to guide them through the process. We only have honest reviews from real users.


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DANB's Certified Preventive Functions Dental Assistant Sample Test

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What is more effective at removing heavy build of calculus?





Correct Answer:
ultrasonic scaler.


calculus, commonly referred to as tartar, is a hard deposit that forms on teeth when plaque is not removed effectively. removing calculus is a critical step in maintaining oral hygiene and preventing gum disease. there are two primary tools used for removing calculus: sickle scalers, curettes (both manual tools), and ultrasonic scalers.

ultrasonic scalers are highly effective in removing heavy buildups of calculus due to their advanced technology. these devices utilize ultrasonic vibrations to break down calculus deposits. the tip of the ultrasonic scaler vibrates at a high frequency and when applied to the tooth surface, it disrupts the hard calculus, efficiently breaking it down. this method is particularly advantageous for removing harder, thicker layers of calculus that manual scalers might struggle with.

in contrast, manual tools like sickle scalers and curettes require physical scraping to remove calculus. sickle scalers have a pointed tip and are used primarily for the removal of calculus from the crowns of the teeth. curettes, on the other hand, are used mainly for root scaling, to remove calculus from the root surfaces below the gum line. while these tools are effective for finer, detailed scaling and are indispensable in a dental hygiene toolkit, they require more physical effort and are generally less efficient at removing dense, heavy calculus compared to ultrasonic scalers.

after using an ultrasonic scaler, a dental professional may follow up with manual scalers. this is because manual scaling can help in fine-tuning the cleaning process, allowing the hygienist to reach areas that may be less accessible to the ultrasonic scaler or where finer, meticulous scaling is necessary. this combination ensures a thorough cleaning, enhancing the overall effectiveness of the calculus removal process.

therefore, while both ultrasonic and manual scalers are essential for comprehensive dental cleaning, the ultrasonic scaler stands out as more effective for removing heavy and thick calculus buildups. its ability to quickly and efficiently break down tough calculus, with less discomfort for the patient, makes it a preferred choice in many dental care settings for initial calculus removal.


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

DANB's Certified Preventive Functions Dental Assistant - Reviews

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Based on 140 reviews

I found the practice tests extremely helpful. I passed the DANB RHS exam and felt that the subject matter was thoroughly covered by your practice tests. The viewing of films and answering questions on them was especially helpful. Thank you very much for the assistance in preparing for the DANB RHS e ...
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Rofiah, Turnersville NJ

Easy to purchase & easily accessible. Great tool to use

Kay , Milton, Indiana

Yesterday I pass My CDA test. Your test really help me and I just would to say thank you.

Charisse, NY






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