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
61. Which one is more likely for orthodontic treatment?
Missing many teeth in a quadrant
Crowding or anterior cross bite
Severe skeletal III
Severe skeletal II
62. Which one more likely skeletal pattern of ANB normal?
1-3 degree
2-4 degree
> 5degree
<1degree
63. Which one is likely the OJ of class III malocclusion?
Overjet 2-4 mm
Over jet >7mm
Overjet <1 mm
Overjet 3-5 mm
64. Which one more likely of Class II division1 malocclusion?
Upper incisors are Proclined
Upper incisors are Retroclined
OJ < 2mm
Always deep bite
65. Which one more likely of Class II division2 malocclusion?
Upper incisors are proclined
Upper incisors are Retroclined
OJ < 2mm
Openbite
66. Which Classification of Malocclusion when the OJ is increase?
class I
class II div1
class II div 2
class III
67. Which Classification of Malocclusion when the OJ Normal?
class I
class II div1
class II div 2
class III
68. which kinds of Malocclusion the Over Jet is decrease and retroclined front teeth?
class I
class II div1
class II div 2
class III
69. Which appliance can correct anterior cross bite?
Orthognatic surgery
Removable appliance within Z spring or T spring and posterior bite plane
Retainer
Class II twinblock
70. Posterior cross bite can correct by?
Orthognatic surgery
Removable appliance within screw expansion and anterior bite plane
Retainer
Class II twin block
71. What kind of appliance for correcting skeletal class II in growing patients?
Orthognatic surgery
Removable appliance within screw expansion and anterior bite plane
Retainer
Class II twin block
72. Severe skeletal of open bite can correct only by?
Orthognatic approach
Removable appliance within Z
Fixed appliances
Class II twin block
73. If there is a lot of root resorption we should do as following?
Stop activating appliance for at least 6 to 8 weeks.
Use heavy force to move the teeth
Periodontal disease
Filling caries.
74. Which one is skeletal feature of Class III?
Maxillary protruded
Retrognatic position of mandible
Maxillary short/small related to mandible broad
Acute Gonial angle
75. Which one is the more likely of skeletal feature of Class II?
Maxillary protruded and Retrognatic position of mandible
ANB <1degree
Maxillary short/small related to mandible broad
Maxillary retrognatic
76. The clinical dental feature of Class III?
Broad upper arch with crowded
Over jet decrease or reverse
Bimaxillary protrusion
Over jet increase
77. Clinical feature of Anterior Open Bite?
Long face
Lips competent
Deep bite
Cross bite
78. Which one is the best method to create space?
Extraction
Stripping
Close space
Retroclined teeth
79. Lips competent most seen in cases?
Deep bite
Long upper lips
Proclined front teeth
Class II division 2 malocclusion
80. Choose the correct components for reduce OJ?
Z- spring
T- spring
Robert retractor
Bucal canin retractor
81. Choose the correct components for increase OJ?
Z- spring
T- spring
Robert retractor
Bucal canin retractor
82. Which is possible component for correcting anterior cross bite?
Screws expansion
Quadhelix
Coffin spring
RME
83. Which one is more likely components for Expansion arch?
Z- spring
Labial bow
Adam Spring
Screw expansion
84. Which Appliances cannot correct anterior cross bite?
Retainer
Removable appliance with Z or T spring
Ice cream stick/ tongue pressure
Fixed appliance
85. Which one is not Active Component?
T-spring
Z- spring
South end clasp
Finger spring
86. Which Active Component can use as retention?
T-spring
Robert retractor
Labial bow
Finger spring
87. Which one is the wire for making Z-spring?
0.7mm
0.4mm
0.5mm
0.6mm
88. Which one is the cause of Anterior cross bite?
retained lower deciduous incisors
premature contact/ pseudo class III
Small lower arch and very broad Upper arch
Missing lower teeth
89. Which one is the Clinical feature of Anterior cross bite?
Reverse overjet
Overjet > 7mm
Small lower arch and very broad Upper arch
Open bite
90. Which movement is more likely for removable appliance ?
Tipping movements
Bodily movements
Intrusion
Extrusion
91. The clinical feature of Class II division 1 malocclusion:?
Proclined upper incisors
Overjet reduce
ANB < 4degree
Anterior Crossbite
92. Which is the more likely clinical feature of Class II division 2 malocclusion:?
Retroclined upper central Incisors with OJ reduced
Overjet reverse
Open bite
Procline upper incisors
93. In case of class II division 2 malocclusion LFH may?
Long
Short
Medium
Normal
94. When incisal edge of lower incisors touch in palate, it’s called ?
Traumatic bite
deep bite
Cross bite overbite
Openbite
95. Which one is the Keys of angle’s classification are ?
Molars relationship
Incisors relationship
Canine relationship
Premolar relationship
96. Which one is the BSI classification are ?
Molars relationship
Incisors relationship
Canine relationship
Premolar relationship
97. Which one is most common seen in class II division 1 malocclusion ?
Overjet increased
Overjet decrease
Overjet & overbite reduced
Over bite & over jet is zero
98. Which treatment plan to reduce deep bit ?
Posterior bite plane
Anterior bite plane
Bi blocks
Labial bow with finger spring
99. In case of open bite LFH may be?
Increase
Low
Medium
Decrease
100. When the maxillary teeth placed completely inside or outside of mandibular teeth called-?
cross bite
sicissors bite
deep bite
open bite
101. In case of class III malocclusion, the upper incisors are ?
Proclined
Retroclined
Spaced
Rotated
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