Dental Specialties Overview

Periodontics: Instrumentation and Assist Practice Questions

22 free Periodontics: Instrumentation and Assist practice questions for the CDA, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

Start Practice Quiz

Questions

All Periodontics: Instrumentation and Assist questions

22 questions
  1. Q1. Which instrument is primarily used to measure periodontal pocket depth during initial examination?
  2. Q2. What is the main difference between a scaler and a curette in periodontal instrumentation?
  3. Q3. Which type of curette is designed to adapt to specific tooth surfaces for subgingival debridement?
  4. Q4. Why are ultrasonic scalers often used in combination with hand instruments during periodontal therapy?
  5. Q5. What determines the selection of a particular periodontal instrument for a procedure?
  6. Q6. Which part of a periodontal instrument is designed to maximize tactile sensitivity and reduce hand fatigue for the operator?
  7. Q7. During subgingival root-planing with a universal curette, what angulation between blade and tooth surface is generally recommended for effective calculus remov…
  8. Q8. Which instrument would be least appropriate for cleaning deep narrow periodontal pockets?
  9. Q9. What is the main purpose of using a dental explorer during periodontal instrumentation?
  10. Q10. Why is periodontal charting considered a critical component of periodontal care?
  11. Q11. Which of the following describes the use of area-specific curettes (e.g., Gracey) correctly during root planing?
  12. Q12. What is a principal limitation of using power-driven ultrasonic instruments for periodontal therapy?
  13. Q13. In periodontal instrumentation, what is the advantage of using an extended-shank (after-five or mini) curette?
  14. Q14. Which phase of periodontal therapy does subgingival instrumentation with curettes and scalers typically belong to?
  15. Q15. Which instrument is most appropriate for removing heavy supragingival calculus deposits on anterior teeth?
  16. Q16. During root-planing with hand instruments, what grasp is recommended to maximize control and minimize operator fatigue?
  17. Q17. Why is re-evaluation important after initial periodontal therapy (scaling and root planing)?
  18. Q18. What is the role of periodontal charting software or electronic records when combined with instrumentation data?
  19. Q19. Which of the following instruments is specialized for use on dental implants to avoid damaging the surface?
  20. Q20. How does correct fulcrum placement during periodontal instrumentation benefit treatment?
  21. Q21. What advantage does combining hand-scaling and power-driven instrumentation offer over using one method alone?
  22. Q22. Which of the following describes why clinician skill and instrument maintenance are critical for successful periodontal instrumentation?