1. Anterior cross bites according to Dewey are classified in Angles class I as

A. Type I
B. Type II
C. Type III
D. Type IV

Ans. C

2. A patient is having edge to edge or end on relation of first molar in permanent dentition with retroclination of incisors. The malocclusion according to Angles classification is

A. Class I
B. Class II div 1
C. Class II div 2
D. Class III

Ans. B
End on relation is class II relation.
End to end relation is also termed as one half cusp class II

3. Anterior crossbites according to Dewey are classified in Angles class III as

A. Type I
B. Type II
C. Type III
D. No modification of angles class III

Ans. C

4. Who has classified malocclusion based on aetiology

A. Angle
B. Lischer
C. Benett
D. Dewey

Ans. C

5. Postnormal occlusion is

A. Cl I with anterior crowding
B. Cl II malocclusion
C. Cl III malocclusion
D. Bimaxillary protrusion

Ans. B
Prenormal is class III malocclusion

6. If the toothhas not erupted to the line of occlusion it is called

A. Supraversion
B. Torsiversion
C. Rotated
D. Infraversion

Ans. D

7. The skeletal classification of maolcclusion is given by

A. Calvin case
B. Martin Dewey
C. Paul simon
D. EH Angle

Ans. C

8. Which of the following gives a complete picture of malocclusion in a patient

A. Simon
B. Ackerman
C. Dewey
D. Angle

Ans. B

9. In Ackerman Profit classification, outer envelope represents

A. Alignment
B. Profile
C. Transverse relation
D. Vertical relation

Ans. A

10. In classifying molar relation in patient with premature loss of molar, additional relation to be noted is

A. Incisor relation
B. Canine relation
C. Midline relation
D. Premolar relation

Ans. B