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OAP Final Exam
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Question 1 of 74
1. Question
Clear brackets are made of:
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Question 2 of 74
2. Question
If the patient was just bonded last month and is a Class I case with mild crowding, which wire was most likely used as the initial archwire?
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Question 3 of 74
3. Question
The patient’s upper anterior teeth are overlapping the lower teeth by 60%. This is an example of a
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Question 4 of 74
4. Question
Patient has a large open bite and is 7 years old, what is the most likely factor for his condition?
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Question 5 of 74
5. Question
The main purpose of orthodontic photos is
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Question 6 of 74
6. Question
The bracket is welded on the ______ side of the band
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Question 7 of 74
7. Question
It is important to prophy the tooth before bonding to avoid:
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Question 8 of 74
8. Question
Pressing the adhesive filled bracket onto tooth achieves full _____________.
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Question 9 of 74
9. Question
What type of force begins very high but declines to zero?
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Question 10 of 74
10. Question
Universal orthodontic charting is called
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Question 11 of 74
11. Question
Damon brackets do not require:
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Question 12 of 74
12. Question
The ___________________ appliance aids correction of a deep bite.
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Question 13 of 74
13. Question
The face bow is used:
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Question 14 of 74
14. Question
___________ refers to the chewing surface of the teeth.
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Question 15 of 74
15. Question
Digital scanners work by capturing _____________ laser points per second.
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Question 16 of 74
16. Question
Which instrument is used for removing a fit band?
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Question 17 of 74
17. Question
The _____________ has a tongue crib for tongue control during bonding process.
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Question 18 of 74
18. Question
The LL7 is placed ___mm from incisal edge
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Question 19 of 74
19. Question
Which charting represents the lower left canine?
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Question 20 of 74
20. Question
Which orthodontic influence came up with the classifications?
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Question 21 of 74
21. Question
If a closed coil is not active between two teeth, it is most likely there for the purpose of
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Question 22 of 74
22. Question
Which biocryl thickness is used most commonly when fabricating an essix retainer?
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Question 23 of 74
23. Question
UL6 buccal rests inside of LL6 occlusal surface. What best describes this bite?
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Question 24 of 74
24. Question
Health related reason(s) to correct malocclusion are:
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Question 25 of 74
25. Question
Chemical cement is not light sensitive
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Question 26 of 74
26. Question
Bands that were fit but not cemented can be wiped with disinfectant and put back in the band box.
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Question 27 of 74
27. Question
The etch used to etch a porcelain crown is
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Question 28 of 74
28. Question
The correct measurement for bracket placement of the lower incisors are ____mm
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Question 29 of 74
29. Question
The horizontal line used when charting is called the
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Question 30 of 74
30. Question
Heavy continuous force ___________________ blood supply.
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Question 31 of 74
31. Question
Kobyoshi hooks are used
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Question 32 of 74
32. Question
Another word for archwire material is:
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Question 33 of 74
33. Question
Class II Division I is defined as:
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Question 34 of 74
34. Question
How frequently should the patient wear headgear?
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Question 35 of 74
35. Question
Material that usually takes a few hours to fully harden is called
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Question 36 of 74
36. Question
Ideal overjet is:
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Question 37 of 74
37. Question
What does etching the tooth achieve?
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Question 38 of 74
38. Question
The original curing light was a
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Question 39 of 74
39. Question
The doctor asks the assistant to set up for a wire adjustment to implement force on a specific tooth. Which instrument can be used to add an adjustment bend to an archwire?
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Question 40 of 74
40. Question
_________________ is described as the process of movement of teeth as a result of force to the crown and root.
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Question 41 of 74
41. Question
The mesial cusp of the upper first molar rests in the lower first molars deepest curvature
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Question 42 of 74
42. Question
The arch wire belongs in the:
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Question 43 of 74
43. Question
Overjet is measured in
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Question 44 of 74
44. Question
The impression material used in conjunction with impression trays is called:
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Question 45 of 74
45. Question
The type of band cement that requires a glass slab is called ______________________.
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Question 46 of 74
46. Question
Separators are used to
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Question 47 of 74
47. Question
After successfully etching, the tooth should appear visibly ______________
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Question 48 of 74
48. Question
Preparation for bonding to a porcelain crown includes:
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Question 49 of 74
49. Question
Which bracket slot size has the greatest torque control?
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Question 50 of 74
50. Question
The mesial cusp of the upper first molar rests between the lower 1st & 2nd molars
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Question 51 of 74
51. Question
Becky is 10 years old with a mixed dentition and according to her panoramic x-ray, she has severe crowding and an impacted canine. Becky is a good candidate for:
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Question 52 of 74
52. Question
Which wire has the most rigidity?
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Question 53 of 74
53. Question
What characteristic differentiates the first and second bicuspids?
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Question 54 of 74
54. Question
A panoramic x-ray is used to
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Question 55 of 74
55. Question
Which statement is most true?
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Question 56 of 74
56. Question
Headgear tubes are used for:
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Question 57 of 74
57. Question
An inclination at the gingival third towards the mesial would indicate:
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Question 58 of 74
58. Question
__________ happens when the roots of the teeth tip lingual, usually causing overjet.
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Question 59 of 74
59. Question
The distal cusp of the upper first molar rests in the lower first molars deepest curvature.
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Question 60 of 74
60. Question
What is the maximum amount of time separators should be left in the patient’s mouth?
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Question 61 of 74
61. Question
The doctor has placed an adjustment to extrude the UR2. The wire was accidentally flipped, and the wire was inserted. What is the result of this error?
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Question 62 of 74
62. Question
Normal maxilla/mandible relationship with mild crowding is classified as:
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Question 63 of 74
63. Question
Which marking represents mandibular left canine and maxillary right 2nd bi-cuspid?
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Question 64 of 74
64. Question
Which marking represents the maxillary left central?
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Question 65 of 74
65. Question
Which charting represents the maxillary third molars?
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Question 66 of 74
66. Question
A bend causing a twist in the structure and causes root tipping when coupled with a bracket slot is referred to as:
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Question 67 of 74
67. Question
What are the three things that are included in a bracket prescription?
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Question 68 of 74
68. Question
Applying force towards the incisal edge causes ___________________.
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Question 69 of 74
69. Question
An 8-year-old girl has a -4mm overjet. What appliance would be used to correct this issue?
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Question 70 of 74
70. Question
List the steps of bonding:
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Question 71 of 74
71. Question
To etch a standard adult tooth, which etch would the assistant choose to use?
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Question 72 of 74
72. Question
What are the most common bracket slots?
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Question 73 of 74
73. Question
As the OA, what next step should you take to repair a bracket that has failed?
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Question 74 of 74
74. Question
A twist wire offers:
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