Orthodontic (Chum Mony) II
61. Resistance to tooth movement is related to the following:? I. Alveolar bone II. Basal bone III. Teeth IV. Intercuspation of teeth
σ� I, II and III
σ� I, II and IV
σ� I, III and IV
σ� I, II, III and IV
62. Source of intraoral anchorage:?
σ� musculature
σ� neck
σ� head
σ� occipital region
63. Which among the following are anchorage according to the number of units? I. single II. Compound III. Intra maxillary IV. reinforced
σ� I, II, III and IV
σ� I, II and III
σ� I, II and IV
σ� II, III and IV
64. The anchorage in which the resistance of one or more dental units are utilized to move one or more opposing dental units.?
σ� simple
σ� stationary
σ� reciprocal
σ� reinforced
65. The anchorage in which the units situated in one jaw is used to effect tooth movement in the other jaw.?
σ� intramaxillary
σ� intermaxillary
σ� intraoral
σ� extraoral
66. It is described as very broad, short faces with square dental arches.?
σ� brachycephalic
σ� dolicocephalic
σ� mesocephalic
σ� none of the choices
67. A mesocephalic face has a/an____ dental arch form?
σ� round
σ� narrow
σ� average
σ� all are corrects
68. Predominant type of malocclusion seen in mixed dentition is?
σ� crowding
σ� anterior open bite
σ� class II division 1
σ� all are corrects
69. Which among the following are variations in facial type? I. oligocephalic II. Brachycephalic III. Dolicocephalic IV. mesocephalic
σ� I, II, III and IV
σ� I, II and III
σ� I, II and IV
σ� II, II and IV
σ� II and IV
70. A system of malocclusion that uses gnathostatic approach.?
σ� Angle
σ� Dewey-Anderson
σ� Simon
σ� Ackermann-Profitt
71. Unilateral mesiocclusion with zero over jet and overbite.?
σ� class III type 1 subd.
σ� Class II type 2 subd
σ� Class III type 3 subd
σ� all are corrects
72. Neutroclusion with labioversion of maxillary centrals and buccoversions of mandibular 1st premolar.?
σ� class 1 type 2 & 3
σ� class 1 type 2 & 4
σ� class 1 type 2 & 5
σ� all are corrects
73. Unilateral distoclusion with linguoversion of maxillary centrals and labioversion of lateral incisors?
σ� class II div 1 subd
σ� class II div 2 subd
σ� class II div 2
σ� all are corrects
74. A supraverted mandibular premolar with respect to Frankfurt horizontal plane is said to be in?
σ� A. contraction
σ� B. abstraction
σ� C. attraction
σ� D. distraction
75. A narrow maxillary arch with respect to midsagittal plane is said to be in?
σ� protraction
σ� retraction
σ� contraction
σ� distraction
76. Cleidocranial dysostosis:?
σ� inhibited growth of mandible
σ� micromandible
σ� abnormal resorption of deciduous dentition
σ� late eruption of permanent teeth
σ� mandibular dysostosis
77. Vogelgesicht:?
σ� inhibited growth of mandible
σ� micromandible
σ� abnormal resorption of deciduous dentition
σ� late eruption of permanent teeth
σ� mandibular dysostosis
78. Pierre-robin syndrome:?
σ� inhibited growth of mandible
σ� micromandible
σ� abnormal resorption of deciduous dentition
σ� late eruption of permanent teeth
σ� mandibular dysostosis
79. Treacher-collin syndrome?
σ� inhibited growth of mandible
σ� micromandible
σ� abnormal resorption of deciduous dentition
σ� late eruption of permanent teeth
σ� mandibular dysostosis
80. The following landmarks are used to determine the protrusiveness of the mandibular base in relation to the cranial base.?
σ� sella, nasion, supramentale
σ� sella, nasion, subspinale
σ� sella, orbitale, pogonion
σ� none of the above
81. Angle tha determines the position of the most protrusive mandibular central incisor to the mandibular plane.?
σ� ANB
σ� SNA
σ� SNB
σ� Y-axis
σ� none of the above.
82. The best alternative diagnostic aid in the absence of cephalometric headplate.?
σ� study cast
σ� radiograph
σ� facial photographs
σ� all of the above.
83. Abnormal habit often known as a residuum of the finger sucking habit.?
σ� bruxism
σ� thumb sucking
σ� nail biting
σ� tongue thrusting
84. Word used in Orthodontics which means resistance to the displacement:?
σ� Tipping
σ� Rotation
σ� Anchorage
σ� Translation
85. Movement of teeth in which the crown and root moved in the samed direction.?
σ� rotation
σ� translation
σ� tipping
σ� combination of tipping and rotation
86. The bone resorption that follows hyalinization is:?
σ� frontal
σ� direct
σ� undermining
σ� all are corrects
87. This type of force occurs when removable appliances are used.?
σ� continuous
σ� interrupted-continuous
σ� intermittent
σ� tipping
88. Abnormal lip activity is almost always associated with:?
σ� Class II, div. 1
σ� Class III
σ� Class III
σ� Class
89. Treatment for developing anterior cross bite:?
σ� inclined plane
σ� tongue crib
σ� palatal crib
σ� verstibular screen
σ� tongue blade
90. Lip bumper is being used for:?
σ� lip biting
σ� cheek biting
σ� lip sucking
σ� lip biting and lip sucking
91. The sum of the widths of CDE is generally:?
σ� same as that of permanent successors
σ� greater than that of permanent successors
σ� less than that of permanent successors
σ� not related to that of permanent successors
92. An inhibited growth of the mandible due to ankylosis of the TMJ will result to:?
σ� cretinism
σ� Amelia
σ� Vogelgesicht
σ� Paget’s disease
σ� None of the above
93. System that describes the antero-posterior relationship of the maxilla and the mandible based on the position of the first permanent molar.?
σ� Simon’s
σ� Angle’s
σ� Ackermann-Profitt’s
σ� Lischer’s
94. Unilateral distoclusion with linguoversion of the maxillary central incisors is also known as:?
σ� Class II Div. 2
σ� Class II div. 2 subd
σ� Class II div.
σ� Class II Div. 1
95. Lower molar is distally positioned in relation to upper molar.?
σ� Class I
σ� Class II
σ� Class III
σ� all are corrects
96. Major growth mechanism of cranial vault?
σ� apposition
σ� interstitial
σ� desmocranium
σ� synchondrosis
97. As maxilla is translated downward and forward, bone is removed from __ surface?
σ� anterior
σ� posterior
σ� lateral
σ� all are corrects
98. Which of the following are principal growth sites of mandible? I. Posterior surface of ramus II. Condyle III. Coronoid process IV. chin
σ� I, II, III and IV
σ� I, II and III
σ� I, III and IV
σ� I, III and IV
σ� II and IV
99. Eruptive tooth movement begins when?
σ� crypt is present
σ� Nolla’s stage 5
σ� Root begins to form
σ� Nolla’s stage 8
σ� None of the above.
Incisor liability:?
σ� difference between deciduous and permanent incisors , the result of which is positive.
σ� Difference between deciduous and permanent incisors, the result of which is negative
σ� Difference between primate and leeway space
σ� Difference between interdental and primate space
101. Distal step terminal plane results to:?
σ� Class I
σ� Class II
σ� Class III
σ� all are corrects
102. Changes in facial growth in adult.?
σ� facial skeleton changes greater than soft tissue profile
σ� shortening of nose
σ� flattening of lips
σ� all of the above.
103. Intrauterine molding may lead to…?
σ� mandibular prognathism
σ� maxillary deficiency
σ� anterior open bite
σ� maxillary protrusion
104. Hapsburg family has a strong genetic influence on__?_
σ� retruded maxilla
σ� retruded mandible
σ� overgrowth maxilla
σ� protruded mandible
105. Hyalinized areas:?
σ� necrotic or cell free area
σ� presence of osteoclast
σ� with cellular elements
σ� with macrophages
Force level declines steadily to zero between activations.?
σ� continuous
σ� interrupted
σ� intermittent
σ� none of the above
107. Two forces equal in magnitude and opposite in direction.?
σ� moment
σ� couple
σ� center of rotation
σ� center of resistance
Posterior crossbite during mixed dentition can be treated by?
σ� extraction
σ� expansion
σ� chin cap
σ� regaining space
σ� space maintainer
The best time to influence growth is during the time of greatest change, they are best treated, that is before and during puberty.?
σ� First statement is true, the second statement is false
σ� First statement is false, the second statement is true
σ� Both statements are true
σ� Both statements are false
Initial ossification of these bones preceeded peak growth in boys.?
σ� hook of hamate
σ� ulna and radius
σ� pisiform
σ� metacarpals and metatarsals
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