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Orthodontics - Test
Contributed by: Stokes
  • 1. Orthodontics is a branch of dentistry that deals with the diagnosis, prevention, and correction of malpositioned teeth and jaws. It focuses on straightening teeth, fixing bites, and enhancing the overall appearance of the teeth and face. Orthodontic treatment can involve the use of braces, aligners, retainers, and other appliances to move teeth into the desired position. By improving the alignment of the teeth, orthodontics can enhance dental health, improve chewing and speech functions, and boost self-confidence. Orthodontists are specialized dentists who have received additional training in this field to provide expert care and guidance to patients seeking orthodontic treatment.

    Which of the following appliances is commonly used in orthodontic treatment?
A) Dentures
B) Braces
C) Veneers
D) Bridges
  • 2. What is an orthodontic consultation?
A) A check-up for tooth decay.
B) A procedure to extract wisdom teeth.
C) Teeth cleaning session.
D) An initial appointment with an orthodontist to assess dental alignment issues.
  • 3. What are some benefits of orthodontic treatment?
A) Causes tooth loss, poor oral health, speech problems.
B) Improved appearance, enhanced oral health, better speech and chewing function.
C) No effect on appearance, same oral health, no change in speech or chewing.
D) Worsens dental alignment, increases cavities, causes pain.
  • 4. What is the purpose of headgear in orthodontic treatment?
A) To clean teeth.
B) To correct the alignment of the upper teeth and jaw growth.
C) To apply braces.
D) To extract teeth.
  • 5. What is the purpose of a lingual arch in orthodontics?
A) To apply braces.
B) To extract teeth.
C) To maintain space between molars and prevent them from drifting forward.
D) To straighten crooked teeth.
  • 6. What is a fixed retainer?
A) A thin wire bonded to the back of the teeth to maintain alignment.
B) A device to straighten crooked teeth.
C) A tool used to whiten teeth.
D) A removable device worn to protect teeth.
  • 7. What is the role of an orthodontic separator?
A) To reshape teeth.
B) To create space between teeth to prepare for the placement of bands or other orthodontic appliances.
C) To clean teeth.
D) To extract teeth.
  • 8. What is an overjet in orthodontics?
A) A method of tooth whitening.
B) A treatment for gum disease.
C) A type of oral surgery.
D) The horizontal overlap of the upper front teeth over the lower front teeth.
  • 9. What is an overbite in orthodontics?
A) A condition where the upper front teeth overlap the lower front teeth vertically.
B) A treatment for gum disease.
C) A method of straightening teeth.
D) A type of oral surgery.
  • 10. What is an orthodontic assessment?
A) A routine tooth extraction.
B) A cosmetic teeth whitening procedure.
C) An evaluation of a patient's teeth and jaws to determine the need for treatment.
D) A check-up for cavities.
  • 11. What is the purpose of orthodontic wax?
A) To extract teeth.
B) To provide relief from irritation caused by braces or other orthodontic appliances.
C) To whiten teeth.
D) To fill cavities.
  • 12. What is orthodontics also referred to as?
A) Orthodontia
B) Endodontics
C) Prosthodontics
D) Periodontics
  • 13. What is the approximate worldwide prevalence of malocclusion?
A) 25%
B) 40%
C) 75%
D) 56%
  • 14. When is it usually best to begin orthodontic treatment?
A) Only after all permanent teeth have erupted
B) After the age of 30
C) Before a person reaches adulthood
D) During late adulthood
  • 15. What was the main issue with implementing the Pin and Tube appliance?
A) Incompatibility with modern techniques
B) Absence of any practical application
C) Troublesome implementation in reality
D) Lack of theoretical benefits
  • 16. What was the orientation of the slot in the original ribbon arch?
A) Horizontal
B) Vertical
C) Diagonal
D) Circular
  • 17. Which orthodontic appliance approach typically begins with round wires before transitioning to rectangular archwires?
A) Tip-Edge system
B) E-arch
C) Begg appliance
D) Edgewise appliance
  • 18. Which of Edward Angle's systems was based on a rigid framework and inter-maxillary elastics?
A) E-arch system
B) Pin and tube appliance
C) Ribbon arch system
D) Edgewise system
  • 19. Who is known as the 'father of modern orthodontics'?
A) Norman Kingsley
B) Edward Angle
C) Raymond Begg
D) Charles Tweed
  • 20. Which appliance system was based solely on round wires and auxiliary springs?
A) Edgewise appliance
B) Begg appliance
C) Tip-Edge system
D) E-arch
  • 21. What is the primary difference between 18- and 22-slot edgewise appliances?
A) Both types of slots eliminate the need for compensating bends.
B) The 22-slot appliance is considered obsolete.
C) The 18-slot appliance has more precise features than the 22-slot.
D) They are used differently but both have not pursued a 20-slot device.
  • 22. What were the optimal dimensions for the Edgewise appliance?
A) 16 × 20 mils
B) 18 × 24 mils
C) 22 × 28 mils
D) 30 × 36 mils
  • 23. How often must orthodontic certification be renewed in the United States?
A) Once, never again
B) Annually
C) Every ten years
D) Every five years
  • 24. In which decade was orthodontics recognized as a specialty by the American Dental Association?
A) 1950s
B) 1920s
C) 1980s
D) 2000s
  • 25. Which therapy is NOT mentioned as a method to reduce pain during orthodontic treatment?
A) Cognitive behavioral therapy
B) Low-level laser therapy (LLLT)
C) Vibratory devices
D) Acupuncture
  • 26. Who developed different brackets for each tooth in the 1980s?
A) Creator of Lang brackets
B) Edward Angle
C) L.F. Andrews
D) Inventor of Lewis brackets
  • 27. How long is the post-graduation orthodontic training in Bangladesh?
A) Three years
B) One year
C) Six months
D) Two years
  • 28. Which type of retainer is made from clear plastic and custom-fitted for the patient's mouth?
A) Labial brace
B) Fixed retainer
C) Hawley retainer
D) Removable retainer
  • 29. Which appliance emerged in the early 21st century allowing for precise control with rectangular archwires?
A) Begg appliance
B) Pin and tube appliance
C) E-arch
D) Tip-Edge system
  • 30. In what year was the Edgewise appliance first introduced?
A) 1935
B) 1928
C) 1940
D) 1915
  • 31. Which country is mentioned as having a specific system for training and registering orthodontic specialists?
A) Australia
B) Japan
C) Canada
D) Brazil
  • 32. What is the duration of the Orthodontic Specialty Training Registrar program in the UK?
A) Five years
B) Three years
C) Two years
D) Four years
  • 33. How many years of post-doctoral specialty training does the Canadian Dental Association expect orthodontists to complete?
A) Three years
B) One year
C) At least two years
D) Four years
  • 34. What is required to work as an orthodontic consultant in a hospital setting in the UK?
A) No additional training
B) Higher-level training as a post-CCST trainee
C) Only a Certificate of Completion of Specialty Training (CCST)
D) A Bachelor's degree
  • 35. What did Raymond Begg modify in the ribbon arch appliance?
A) He used two 10-mil steel archwires
B) He added bands on first molars with heavy lingual wires
C) He inverted the bracket so it pointed toward the gums.
D) He incorporated rectangular slots for crown tipping
  • 36. During the initial stages of treatment with Tip-Edge brackets, what type of archwires should be used?
A) Small-diameter steel archwires.
B) High-strength round stainless steel wire
C) Two 10-mil steel archwires
D) Large-diameter stainless steel wires
  • 37. What type of orthodontic appliance is made from a combination of plastic and metal?
A) Essix Retainer
B) Fixed retainer
C) Hawley retainer
D) Vivera Retainer
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