oral anatomy MCQs – Page 4

Practise focused oral anatomy questions with marked answers for exam preparation and subject revision.

oral anatomy Mcqs

61. Articular disc of tmj receives insertion from which muscle______________?
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A. Massetor

B. Temporalis

C. Lateral pterygoid

D. Medial pterygoid

62. Calcification of roots of decidous teeth is completed by_____________?
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A. 4 years

B. 2 years

C. 6 years

D. 8 years

63. Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?
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A. Mansoon curve

B. Wilson curve

C. Caternary curve

D. Curve of spee

64. Which of the following has the maximum faciolingual diameter of the crown__________?
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A. Decidous mandibular 2nd molar

B. Decidous maxillary 2nd molar

C. Decidous mandibular 1st molar

D. Decidous maxillary 1st molar

65. The primary lateral incisors begin to calcify about the_____________?
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A. 41/2 month in utero

B. 5th month in utero

C. 4th month of life

D. 4th month in utero

66. During the development of a tooth, sound coalescence of the lobes results in_____________?
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A. Cusps

B. Grooves

C. Fissures

D. All of the above

67. As compared to permanent tooth , root formation in primary tooth______________?
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A. Is complete when tooth erupts in oral cavity

B. Take less time

C. Take more time

D. Same time

68. The time taken for primary tooth root completion after eruption_____________?
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A. 1 month

B. 3 years

C. 2 years

D. 1 years

69. Over jet is defined as______________?
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A. Transverse plane discrepancy

B. Vertical overlap

C. Horizontal overlap

D. All the above

70. The tooth bud for the third molar is initiated at about the age of______________?
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A. 1st year of life

B. 6th month I.U

C. 2nd year of life

D. 8th year of life

71. If a permanent first molar is lost, the permanent second molar drifts to the______________?
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A. Lingual side

B. Buccal side

C. Mesial side

D. Distal side

72. Growth of all permanent teeth except last molars is completed by___________?
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A. 12 years

B. 17 years

C. 6 years

D. 8 years

73. In anxious parent calls you that her 5- month -old child has still no teeth in his mouth then you should_____________?
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A. Call and do radiographic survey

B. Tell her that it is normal at this age

C. Child has retarded growth

D. Systemic problem

74. Distobuccal cusp of 27 falls into ______________?
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A. Immediately incisal to cingulam

B. Embrasure of 37 & 38

C. Mesial pit of 37

D. Embrasure of 36 & 37

75. The pulp of first primary molar contains________________?
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A. Two pulp horn and two root canal

B. Four pulp horn and three root canal

C. Three pulp horn and three root canal

D. Two pulp horn and three root canal

76. The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?
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A. At the linguo cervical ridges

B. Within the incisor thirds

C. At the junction of middle and cervical thirds

D. Immediately incisal to cingulam

77. Cusp of carbaelli can be considered a normal finding on____________?
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A. Decidous mandibular 2nd molar

B. Decidous mandibular 1st molar

C. Decidous maxillary 2nd molar

D. Decidous maxillary 1st molar

78. In the majority of situations, that first decidous tooth to erupt is the____________?
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A. Mandibular central incisor

B. Maxillary second molar

C. Maxillary central incisor

D. Mandibular first molar

79. Primary dentition period is______________?
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A. From 6 years to 11 years

B. From birth to 11 years

C. From 6 months to 11 years

D. From 6 months to 6 years

80. Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
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A. Centric occlusion

B. Laterotrusive contacts

C. Protrusive contacts

D. Rest position

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