Endodontics: Root Canal Assist Practice Questions
20 free Endodontics: Root Canal 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.
Questions
20 questions
All Endodontics: Root Canal Assist questions
- Q1. Which of the following is the first step a dental assistant should perform before a root canal procedure begins?
- Q2. Why is the use of a rubber dam important during a root canal treatment?
- Q3. Which instrument would most likely be passed by the dental assistant to remove necrotic pulp tissue from a root canal?
- Q4. During chemo-mechanical preparation of the root canal, what is the primary purpose of irrigation solutions?
- Q5. What material is most commonly used to obturate (fill) a cleaned and shaped root canal?
- Q6. Which of these tasks may be performed by a dental assistant during a root canal session?
- Q7. When should a final radiograph be taken during root canal therapy?
- Q8. What is the main goal of root canal therapy?
- Q9. Which of the following describes a “clean and shape” phase in endodontic treatment?
- Q10. Why must instruments used in a root canal be sterilized and handled carefully by the assistant?
- Q11. If a tooth has multiple canals, how does that affect root canal therapy?
- Q12. What is the role of a sealing cement used along with gutta-percha in root canal obturation?
- Q13. When might a root canal treatment require more than one appointment?
- Q14. Which of the following signals that a root canal treatment might be indicated?
- Q15. Which endodontic instrument is specifically designed to distribute sealer or cement evenly throughout the canal before obturation?
- Q16. What should the dental assistant do immediately after the endodontist removes all instruments and before sealing the operatory?
- Q17. Why is it important to verify working length of the root canal before obturation?
- Q18. Which statement is true regarding the role of a dental assistant during root canal therapy?
- Q19. After root canal therapy, why is a crown or permanent restoration usually necessary?
- Q20. Which of the following represents an incorrect practice during a root canal procedure by a dental assistant?