1. Lower incline bite plane use for correcting?
Simple anterior cross bite
Posterior cross bite
Unilateral cross bite
Bilateral cross bite
2. What is the lower incline bite plane?
An appliance for correct simple cross bite
Fixed appliance
Removable appliance
Functional appliance
3. Lower incline bite plane cover the teeth of ?
Lower buccal segment
Lower labial segment
Upper labial segment
Upper buccal segment
4. Lower incline bite plane we make incline in?
45 degree
30 degree
15 degree
60 degree
5. How many bend orders is the most comment use in orthodontic?
3
2
4
5
6. What is the 2nd bend order mean?
Tiping
Torqueing
In-out
Up-down
7. The most comment used of wire in fixed appliance is?
Round and triangle
Rectangular and triangle
Bending wires
Rectangular and round
8. How many direction do fixed appliance can do?
4
5
6
3
9. Which one is the auxiliaries’ component in fixed appliance?
Power chain
Brackets
Wire
Molar bend
10. What is the clinical feature of fixed appliance?
Fixed brackets to removable appliance
Bonded bracket to the teeth
Bonded bracket to an appliance
The appliance that can be remove
11. What is the most common appliances to avoid for adult orthodontic?
Head Gear and Face Mask
Removable appliance
Fixed appliance
Lingual brace
12. What is the problem can increased risk of root resorption:?
Long roots.
Previously caries
No vital or root treated
Light forces
13. What is the risk of orthodontic treatment?
Root resorption
Carries
Periodontal disease
Bone fracture
14. What is the most comment risk in orthodontic treatment?
relapse
retention
over correction
good digitation
15. What is the meaning of balancing extraction?
Extraction upper and lower tooth in both side
Extraction upper and lower tooth in one side
Extraction Both side in one arch
Both side in two arches
16. What is the meaning of compensating extraction?
Upper and lower teeth in both arches
Upper and lower tooth in one side
Both side in one arch
Both side in two arches
17. Why we use retainer after finishing orthodontic treatment?
Preventing teeth relapse
Allow teeth eruption
Allow growth change
Prevent 3rd molars eruption
18. What is the factor related to retention to be consider at the treatment planning stage?
Type of retention
Growth spurt
Extraction decision
Growth modification
19. Which one the factor may modify retention protocol?
Lower incisors alignment
Crowding
Missing teeth
Dental caries
20. What is the condition that requires short term retention?
Deep bite
Expanded arches
Serial extraction procedures
Midline shift
21. Which condition that require long term retention?
Severe rotation
High place canines in class one extraction cases
Posterior cross bite in patients having step cusp
Extraction cases
22. Which condition that does not require retention?
Anterior cross bite
Sever rotation
Median diastema
Deep bite
23. Which classification of malocclusion, Over jet is increased?
Class III malocclusion
Class II division 2 malocclusion
Class II division 1 malocclusion
Class I malocclusion
24. Which one is the Over jet of Class I malocclusion?
Upper incisors are Proclined and OJ < 2mm
Upper incisors are Retroclined OJ=1
Upper incisors are Proclined and OJ>4mm
Upper incisors are Proclined and OJ=3
25. Which one the most likely the Over jet of Class II division1 malocclusion?
Upper incisors are Proclined, OJ < 2mm
Upper incisors are Retroclined , OJ= 1mm
Upper incisors are Proclined, OJ>4mm
Upper incisors are Proclined, OJ
26. Which is the Over jet of Class II division 2 malocclusion?
Upper incisors are retroclined, OJ <2mm
Upper incisors are retroclined ,OJ = 1 mm
Upper incisors are Proclined, OJ>4mm
Upper incisors are proclined , OJ =3mm
27. Which one the most likely the Over jet of Class III malocclusion?
Upper incisors are Proclined, OJ > 3mm
Upper incisors are Proclined OJ <1mm
Upper incisors are Proclined and OJ>7mm
Upper incisors are Proclined and OJ=3
28. When the lower incisor edges lie posterior to the cingulum plateau of the upper incisor and Upper incisors are Proclined?
Class I
Class II div 1
Class II DIV 2
Class III
29. When the lower incisor edges lie posterior to the cingulum plateau of the upper incisor with retrocline?
Class I malocclusion
Class II div 1
Class II DIV 2
Class III
30. When the lower incisor edges occlude into cingulum plateau of the upper is?
Class I
Class II div 1
Class II DIV 2
Class III
31. When the lower incisor edges lie Anterior to the cingulum plateau of the upper?
Class I
Class II div 1
Class II DIV 2
Class III
32. Which one is OJ of the Class I malocclusion?
Increase
Decrease
Average
Severe
33. Which one is the most likely OJ for Class II div 1 malocclusion?
Increase
Decrease
Average
Severe
34. Which one is OJ of Class III malocclusion?
Increase
Decrease
Average
Severe
35. Which one is likely Overbite in Class I malocclusion?
0-10%
10-20%
20-30%
50-80%
36. Which plane we use to find Overbite?
Transversal
Horizontal
Posterior-anterior
Vertical
37. Which one is Overbite in Class III malocclusion?
0-10%
40-60%
20-30%
50-80%
38. Which is ANB of Class I skeletal pattern?
1-2 degree
2-4 degree
4-6 degree
6-8 degree
39. Which one is the most likely ANB angle in Class II skeletal pattern?
1-2 degree
2-4 degree
3-4 degree
6-8 degree
40. What is the ANB angle in Class III skeletal pattern?
0-1 degree
2-4 degree
4-6 degree
6-8 degree
41. Which one is the best treatment for crowding?
Closing space
Extraction
Derotation
Proclined upper incisors
42. For spacing which one is the best treatment?
Closing space
Extraction
Derotation
Proclined upper incisors
43. Which is the common treatment for tooth rotation?
Closing space
Extraction
Derotation
Proclined upper incisors
44. Which one is the best treatment for anterior cross bite?
Closing space
Extraction
Derotation
Proclined upper incisors
45. Which one is orthodontic treatment for spacing teeth?
Crown bridge
Space closure
Implant
Space closures
46. What is the most comment decision for making crown bridge?
Crowding
Spacing
Rotation
Tooth impacted
47. Which one is the most comment decision for extraction teeth?
Crowding
Spacing
Rotation
Tooth impacted
48. A 12 years old girl come to orthodontics department at the UHS to check her teeth she complain of her front teeth are sticky out both arches with incompetent lips and her facial profile is more convexity . Which one is the most likely clinical feature of this sign?
Crowding
Bimaxillary protrusion
Spacing
Rotation
49. A 12 years old girl come to orthodontics department at the UHS to check her teeth she complain of her front teeth are sticky out both arches with tongue trust and her facial profile is more convexity . Which one is the most likely clinical feature of lips?
Competent lips
Incompetent lips
Everted lips
Inverted lips
50. A 12 years old girl come to orthodontics department at the UHS to check her teeth she complain of her front teeth are sticky out both arches with incompetent lips and her facial profile is more convexity . Which one is the most likely cause by?
Lips trap
Tongue trust
Moth breaching
Thumb sucking
51. A 12 years old girl come to orthodontics department at the UHS to check her teeth she complain of her front teeth are sticky out both arches with tongue trust and her facial profile is more convexity . Which one is the most likely kind of malocclusion?
Open bite
Deep bite
Cross bite
Scissors bit
52. A 12 years old girl come to orthodontics department at the UHS to check her teeth she complain of her front teeth are sticky out both arches with incompetent lips and her facial profile is more convexity . Which one is the most likely extraction for this case?
4 teeth of 1st premolars
4 teeth of 2nd premolars
4 teeth of 2nd molars
4teeth of 1st molars
53. The most likely clinical feature of Bimaxillary protrusion ?
Deep bite
Retrognatic jaws
Facial profile is concave
Lips incompetent
54. Which causes can make Root resorption?
Light force
Optional force
exceesive force
Ideal force
55. Which one most likely correct answer for Treatment of Anterior Open bite?
Stop any habits
Orthodontic treatment
Orthognathic approach
Combination of treatments
56. Before orthodontic treatment, which one we should do?
Do as patients order.
Bad oral hygiene
Select only patient with good oral hygiene for orthodontic treatment.
Check with parents
57. Which one is the most harmful effects of orthodontics tooth movement?
Change position of teeth
Root resorption
Healthy gum
Reconstruction bone
58. Canine Mesially inclined eruption which indication we should do extraction ?
1st Premolar
1st Molar
Lateral incisor
2nd Molar
59. Abnormal tooth mobility is because of ?
Used light force.
Appliance not worn full-time and Traumatic occlusion
Tooth not contact each other
Cleaning teeth
60. Tooth pain when we move it because of ?
Too much forces
Enamel caries
Gingivitis
Light force
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