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


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DANB CPFDA Practice Test Features

Everything you need to pass your certification exam!


Understanding what is on the DANB's CPFDA exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studying the correct information.

  • Directs your study efforts toward the most relevant areas.
  • Ensures efficient and adequate preparation.
  • Helps identify strengths and weaknesses.
  • Allows for a focused approach to address gaps in understanding.
  • Aligns your preparation with the exam's expectations.
  • Increases the likelihood of success.
  • Keeps you informed about your field's current demands and standards.
There is no doubt that this is a strategic step in achieving certification and advancing your career.


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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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Understanding the exact breakdown of the DANB's Certified Preventive Functions Dental Assistant test will help you know what to expect and how to most effectively prepare. The DANB's Certified Preventive Functions Dental Assistant has multiple-choice questions The exam will be broken down into the sections below:

DANB's Certified Preventive Functions Dental Assistant Exam Blueprint
Domain Name % Number of
Questions
Coronal Polish
     Dental And Oral Anatomy 8% 2
     Oral Prophylaxis 7% 2
     Objective Of Coronal Polish 7% 2
     Dental Deposits 15% 4
     Polishing Precautions 15% 4
     Patient Education And Recordkeeping 10% 3
     Abrasives And Polishing Agents 8% 2
     Polishing Technique 20% 5
     Infection Control/OSHA Protocol 10% 3
Sealants
     Purpose Of Sealants 10% 3
     Indications And Contraindications For Sealant Application 40% 10
     Acid Etching 10% 3
     Sealants 40% 10
Topical Anesthetic
     Patient Preparation 10% 3
     Classifications 20% 5
     Precautions And Contraindications 20% 5
     Indications For Use 30% 8
     Placement Of The Topical Anesthetic (including Infection Control/OSHA Protocol 20% 5
Topical Fluoride
     Basic Information About Fluoride 10% 3
     Indications And Contraindications For Topical Fluoride 30% 8
     Benefits Of Topical Fluoride 15% 4
     Topical Fluoride Application 15% 4
     Fluoride Preparations 10% 3
     Adverse Reactions 10% 3
     Patient Education 10% 3