1. The oldest and most widely used method of tooth nomenclature is:
A. Universal system
B. FDI system
C. Two digit system
D. Palmer system
2. Thesystemtodesignateatoothwhichissimple to understand and to teach as well as readily communicable in print and by wire is:
A. Zsigmondy system
B. Universal system
C. FDI/ Two digit system
D. None of the above
3. In a system, a tooth is designated number ‘46’, the tooth is:
A. Permanent maxillary right first molar
B. Permanent maxillary right 2nd molar
C. Permanent mandibular right first molar
D. Permanent mandibular left first molar
4. A mesial proximal carious lesion of the mandibular right Ist molar is indicated by:
A. 461 B. 462 C. 463 D. 464
5. “Double inverted cone” type of penetration of dental caries is seen in:
A. Smooth surface caries
B. Pit and fissure caries
C. Both of the above
D. None of the above
6. Pitandfissurelesionsarerepresentedby:
A. Apex of cone facing each other
B. Base of cone facing each other
C. Double inverted cone
D. None of the above
7. GV Black simply classified cavities as:
A. Two classes of smooth surface and three classes of pit and fissure lesions
B. Three classes of smooth surface and two classes of pit and fissure lesions
C. One class of pit and fissure and four classes of smooth surface lesions
D. None of the above
8. Cavities that occur exclusively in posterior teeth
are:
A. Class 1 cavities
B. Class 5 cavities
C. Class 2 cavities
D. Class 4 cavities
9. The class(es) of cavity which occurs both in anterior and posterior teeth is/are:
A. Class 3
B. Class 2
C. Class 1 and 6
D. Class 4
10. Removal of deep, pulp encroaching caries should be made using:
A. High rotational speeds
B. Low rotational speeds
C. Very high rotational speeds
D. All of the above
11. Pulpal damage can result from:
A. Lack of coolant
B. Excessive hand pressure
C. Dull instrument
D. All of the above
12. Number of point angles in ‘class 3’ cavity preparation is:
A. 4 B. 5 C. 3 D. 11
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