MCQOPTIONS
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MCQOPTIONS
This section includes 245 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Thinnest labial plate is found in the region of____________? |
| A. | Upper central incisors |
| B. | Lower central incisors |
| C. | Upper canines |
| D. | Lower canines |
| Answer» C. Upper canines | |
| 52. |
There are two normal children of the same age and sex. In one, all the permanent teeth except the third molars have erupted.In the other,no permanent canines or premolars have erupted. How old are these children ? |
| A. | 7 years |
| B. | 9 years |
| C. | 11 years |
| D. | 13 years |
| Answer» D. 13 years | |
| 53. |
The zygomatic bone does not articulate with________________? |
| A. | Frontal bone |
| B. | Maxillary bone |
| C. | Nasal bone |
| D. | Temporal bone |
| Answer» D. Temporal bone | |
| 54. |
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________? |
| A. | Central incisors |
| B. | Central and lateral incisors |
| C. | Lateral incisor and canine |
| D. | First and 2nd premolar |
| Answer» D. First and 2nd premolar | |
| 55. |
The usual order of appearance of the primary teeth in the mouth is____________? |
| A. | Central incisors, first molars, lateral incisors, second molars, canines |
| B. | Central incisors, lateral incisors, canines, second molars, first molars |
| C. | Central incisors, lateral incisors, first molars canines, second molars |
| D. | Central incisors, lateral incisors, first molars second molars, canines |
| Answer» D. Central incisors, lateral incisors, first molars second molars, canines | |
| 56. |
The two major fossa of permanent maxillary first molar________________? |
| A. | Central fossa and mesial fossa |
| B. | Central and distal fossa |
| C. | Mesial and distal tringular fossa |
| D. | Distal fossa and distal tringaular fossa |
| Answer» C. Mesial and distal tringular fossa | |
| 57. |
The total number of cingula in each dentition is_______________? |
| A. | 6 |
| B. | 12 |
| C. | 24 |
| D. | 32 |
| Answer» C. 24 | |
| 58. |
The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________? |
| A. | Mandibular first premolar |
| B. | Mandibular lateral incisor |
| C. | Maxillary central incisor |
| D. | Maxillary lateral incisor |
| Answer» E. | |
| 59. |
The tooth bud for the third molar is initiated at about the age of______________? |
| A. | 6th month I.U |
| B. | 1st year of life |
| C. | 2nd year of life |
| D. | 8th year of life |
| Answer» E. | |
| 60. |
The time taken for primary tooth root completion after eruption_____________? |
| A. | 3 years |
| B. | 1 years |
| C. | 2 years |
| D. | 1 month |
| Answer» C. 2 years | |
| 61. |
The term diphydont means____________? |
| A. | Second dentition |
| B. | Two same sets of dentition |
| C. | Two separate sets of dentition |
| D. | More than two sets of dentition |
| Answer» D. More than two sets of dentition | |
| 62. |
The term” contact point” which is often used to designate the contact of teeth i the same arch is a_____________? |
| A. | Synonym |
| B. | Antonym |
| C. | Misnomer |
| D. | Laevonomer |
| Answer» D. Laevonomer | |
| 63. |
The teeth that are retained for the longest period of time are__________________? |
| A. | Maxillary incisors |
| B. | Maxillary canines |
| C. | Mandibular incisors |
| D. | Mandibular canines |
| E. | B & D |
| Answer» F. | |
| 64. |
The side towards which mandible moves is called the_____________? |
| A. | Tooth contact side |
| B. | Balancing side |
| C. | Working side |
| D. | Non- working side |
| Answer» D. Non- working side | |
| 65. |
The shortest root on a maxillary first molar is_____________? |
| A. | Mesio- buccal |
| B. | Disto – buccal |
| C. | Lingual |
| D. | All are of equal length |
| Answer» C. Lingual | |
| 66. |
The sharpest cusp of primary first molar tooth is____________? |
| A. | Mesiobuccal |
| B. | Distobuccal |
| C. | Mesiolingual |
| D. | Distolingual |
| Answer» D. Distolingual | |
| 67. |
The shape of the occlusal surface of the permanent maxillary first molar is_______________________? |
| A. | Oval |
| B. | Trapezoidal |
| C. | Triangular |
| D. | Rhomboidal |
| Answer» E. | |
| 68. |
The shape of the occlusal surface of the permanent maxillary first molar is___________? |
| A. | Oval |
| B. | Trapezoidal |
| C. | Triangular |
| D. | Rhomboidal |
| Answer» E. | |
| 69. |
The root trunk of permanent mandibular first molar buccally is______________? |
| A. | Equal is length to the mesial bifurcation of the maxillary first molar |
| B. | Equal is length to the buccal bifurcation of the maxillary first molar |
| C. | equal in length to the crown |
| D. | None of the above |
| Answer» B. Equal is length to the buccal bifurcation of the maxillary first molar | |
| 70. |
The root of maxillary lateral incisors if curved is usually in which direction ? |
| A. | Distal |
| B. | Mesial |
| C. | Facial |
| D. | Palatal |
| Answer» B. Mesial | |
| 71. |
The root completion of permanent teeth is achieved after __________ years o eruption? |
| A. | 1-1½ |
| B. | 2-3 |
| C. | 3-4 |
| D. | 4-5 |
| Answer» C. 3-4 | |
| 72. |
The pulp of first primary molar contains________________? |
| A. | Four pulp horn and three root canal |
| B. | Three pulp horn and three root canal |
| C. | Two pulp horn and two root canal |
| D. | Two pulp horn and three root canal |
| Answer» B. Three pulp horn and three root canal | |
| 73. |
The process of exfolitation of primary teeth is between_____________? |
| A. | Seventh and eight years |
| B. | Seventh and ninth years |
| C. | Seventh and tenth years |
| D. | Seventh and Twelfth years |
| Answer» E. | |
| 74. |
The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________? |
| A. | Central incisors |
| B. | Mandibular first molar |
| C. | Mandibular second molar |
| D. | Canines |
| Answer» C. Mandibular second molar | |
| 75. |
The primary lateral incisors begin to calcify about the_____________? |
| A. | 4th month of life |
| B. | 4th month in utero |
| C. | 41/2 month in utero |
| D. | 5th month in utero |
| Answer» D. 5th month in utero | |
| 76. |
The primary centre of formation of each lobe is present in_____________? |
| A. | Apex of the root |
| B. | Tip of the cusp |
| C. | Centre of the crown |
| D. | Centre of the tooth |
| Answer» C. Centre of the crown | |
| 77. |
The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________? |
| A. | Maxillary first |
| B. | Maxillary second |
| C. | Mandibular second |
| D. | Mandibular first |
| Answer» D. Mandibular first | |
| 78. |
The premolar alveoli are what shape in cross section_____________? |
| A. | Rectangular |
| B. | Triangular |
| C. | Kidney shaped |
| D. | Oval |
| Answer» D. Oval | |
| 79. |
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________? |
| A. | Cusps |
| B. | Roots |
| C. | Lingual grooves |
| D. | Marginal ridges |
| Answer» B. Roots | |
| 80. |
The permanent anterior tooth, which is most 20. Commonly atypical , is_____________? |
| A. | Maxillary central incisor |
| B. | Maxillary lateral incisor |
| C. | Mandibular central incisor |
| D. | Mandibular 1st premolar |
| Answer» C. Mandibular central incisor | |
| 81. |
The occlusal surface shape of a 3 cusped mandibular second premolar_________________? |
| A. | Oval |
| B. | Elliptical |
| C. | Square |
| D. | Tetrahedral |
| Answer» D. Tetrahedral | |
| 82. |
The number of point angles in a permanent mandibular first molar is_____________? |
| A. | 6 |
| B. | 8 |
| C. | 4 |
| D. | 10 |
| Answer» D. 10 | |
| 83. |
The number of line angles a permanent maxillary central incisor is_____________? |
| A. | Two |
| B. | Four |
| C. | Six |
| D. | Eight |
| Answer» D. Eight | |
| 84. |
The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________? |
| A. | Number of roots |
| B. | Depth of central fossae |
| C. | Comparative size of the cusp of carabelli |
| D. | Relative position of the distolingual grooves |
| Answer» E. | |
| 85. |
The most common sequence of eruption of the permanent maxillary teeth in children is_______________? |
| A. | 1-6-2-3-4-7-5-8 |
| B. | 2-3-1-6-7-5-4-8 |
| C. | 6-1-2-4-3-5-7-8 |
| D. | 6-1-2-3-4-5-7-8 |
| Answer» D. 6-1-2-3-4-5-7-8 | |
| 86. |
The most common curvature of the palatal root of maxillary first molar is_____________? |
| A. | Facial |
| B. | Lingual |
| C. | Distal |
| D. | Mesial |
| Answer» B. Lingual | |
| 87. |
The mesial surface of the crown is almost parallel to long axis and the root of a______________? |
| A. | Maxillary 1st premolar |
| B. | Mandibular 2nd premolar |
| C. | Maxillary canine |
| D. | Mandibular canine |
| Answer» E. | |
| 88. |
The maxillary tooth exhibiting the greatest variation in root alignment is______________? |
| A. | Central incisor |
| B. | First premolar |
| C. | Third molar |
| D. | Second molar |
| Answer» D. Second molar | |
| 89. |
The maxillary teeth which have single antagonist are__________? |
| A. | Lateral incisors |
| B. | Permanent canines |
| C. | Permanent central incisors |
| D. | Third molars |
| Answer» E. | |
| 90. |
The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________? |
| A. | Distrobuccal, distolingual and Mesiolingual |
| B. | Distolingual, Mesiobuccal, and Linguo buccal |
| C. | Mesiobuccal, Distobuccal and Mesiolingual |
| D. | Mesiolingual, Mesiobuccal and distolingual |
| Answer» D. Mesiolingual, Mesiobuccal and distolingual | |
| 91. |
The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________? |
| A. | Crown length |
| B. | Mesiodistal crown width |
| C. | Faciolingual crown width |
| D. | Root length |
| Answer» E. | |
| 92. |
The lingual cusp of lower first premolar is compared to the development of____________? |
| A. | Cusp of carabelli |
| B. | Distolingual cusp of molars |
| C. | Lingual cusp of second premolar |
| D. | Cingulam of canine |
| Answer» E. | |
| 93. |
The last primary tooth to be replaced by a permanent tooth is usually the_____________? |
| A. | Maxillary second molar |
| B. | Mandibular second molar |
| C. | Maxillary canine |
| D. | Mandibular canine |
| Answer» D. Mandibular canine | |
| 94. |
The largest permanent tooth in the mouth usually is_____________? |
| A. | Maxillary canine |
| B. | Mandibular canine |
| C. | Mandibular first molar |
| D. | Maxillary first molar |
| Answer» E. | |
| 95. |
The largest mesiodistal diameter in primary dentition is____________? |
| A. | Mandibular 1st molar |
| B. | Mandibular2nd molar |
| C. | Maxillary 2nd molar |
| D. | None of the above |
| Answer» C. Maxillary 2nd molar | |
| 96. |
The largest embrasure in posterior teeth is the__________? |
| A. | Buccal |
| B. | Distal |
| C. | Lingual |
| D. | Occlusal |
| Answer» D. Occlusal | |
| 97. |
The key to occlusion is_______________? |
| A. | Maxillary permanent first molar |
| B. | Maxillary permanent second molar |
| C. | Maxillary primary first molar |
| D. | Maxillary primary second molar |
| Answer» B. Maxillary permanent second molar | |
| 98. |
The interdental papilla is located in the______________? |
| A. | Facial embrasure |
| B. | Lingual embrasure |
| C. | Cervical embrasure |
| D. | Occlusal embrasure |
| Answer» D. Occlusal embrasure | |
| 99. |
The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________? |
| A. | Within the incisor thirds |
| B. | At the junction of middle and cervical thirds |
| C. | At the linguo cervical ridges |
| D. | Immediately incisal to cingulam |
| Answer» B. At the junction of middle and cervical thirds | |
| 100. |
The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________? |
| A. | Mesiolingual |
| B. | Distolingual |
| C. | Mesiobuccal |
| D. | Distobuccal |
| Answer» B. Distolingual | |