Dental Specialties Overview

Orthodontics: Appliances and Assisting Practice Questions

19 free Orthodontics: Appliances and Assisting 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.

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Questions

All Orthodontics: Appliances and Assisting questions

19 questions
  1. Q1. Which appliance is most commonly used for initial alignment of maloccluded teeth in fixed orthodontic treatment?
  2. Q2. What is the purpose of a palatal expander in orthodontic treatment?
  3. Q3. Which appliance is used to maintain tooth position once orthodontic treatment is complete?
  4. Q4. What is the role of a spacer (separator) in orthodontic treatment before band placement?
  5. Q5. Which fixed functional appliance is commonly used in growing patients to correct Class II overbite by advancing the lower jaw?
  6. Q6. Why might an orthodontist choose a self-ligating brace system over traditional ligated brackets?
  7. Q7. Which appliance is primarily used to hold space in the dental arch for permanent teeth after premature loss of a deciduous tooth?
  8. Q8. What is the main function of elastics (rubber bands) in orthodontic treatment with braces?
  9. Q9. Which appliance is used to treat underbite (Class III) in growing patients by protracting the upper jaw forward?
  10. Q10. Which orthodontic appliance is often used for broad arch development and correction of posterior crossbite in mixed dentition?
  11. Q11. What is a key advantage of clear aligners over traditional fixed braces?
  12. Q12. Which appliance uses telescoping rods and fixed attachments to advance the lower jaw in Class II patients without requiring patient compliance like elastic wea…
  13. Q13. Why are temporary anchorage devices (TADs) used in some orthodontic cases?
  14. Q14. Which of the following is NOT a typical component of fixed orthodontic braces?
  15. Q15. Which appliance is specifically designed to protect teeth and orthodontic appliances during sports or contact activities?
  16. Q16. What is the main objective of interceptive (early) orthodontic appliances in children?
  17. Q17. Which orthodontic appliance is most useful in correcting a Class II division 1 malocclusion with overjet by holding the lower jaw forward and upper molars back?
  18. Q18. Which factor is most critical for the success of a removable orthodontic appliance?
  19. Q19. When are fixed lingual retainers typically placed in orthodontic treatment?