Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : Paschim Vihar, New Delhi 110063 T: 1142316457, 9810570740
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A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. MOD amalgam restoration with deep mesial box, PT come with pain related to it after 1 month due to:
A. Pulp involvement 
B. Supraocclusion. 
C. Upon contact. 
D. Gingival recession 

2. Hand instrument which we used to make internal angles retentive grooves and preparation of cavity walls in the cavity is:
A. Angle former 
B. Chisel. 
C. File. 
D. Enamel hatched 

3. Clinical failure of the amalgam restoration usually occurs from:
A. Improper cavity preparation 
B. Faulty manipulation. 
C. Both of the above. 
D. None of the above 

4. Rubber dam is contraindicated in:
A. Patient with obstructive nose 
B. Mentally retarded Patient 
C. Un comparative child. 
D. All of these 

5. In Class V composite restorations a layer of bonding agent is applied:
A. Following removal of cement then cured 
B. Following removal of cement and not cured. 
C. Cured then remove cement 
D. None of these 

6. Class II composite resin is lined by:
A. G.I 
B. Reinforced ZOE. 
C. ZOE with epoxy cement. 
D. Cavity varnish 

7. What can we use under composite restoration:
A. Calcium hydroxide 
B. ZOE. 
C. ZINC phosphate cement 
D. All of these 

8. Patient complains from pain in 45 which had gold onlays. The pain could be due to:
A. Cracked tooth or fractured surface 
B. Chemicals from cement. 
C. High thermal conductivity of gold 
D. Related to periodontal ligament. 

9. The x- ray of choice to detect the proximal caries of the anterior teeth is:
A. Periapical x-ray 
B. Bitewing x-ray. 
C. Occlusal x-ray. 
D. None of these 

10. Most commonly, after placement of amalgam restoration patient complains from pain with:
A. Hot. 
B. Cold 
C. Occlusal pressure. 
D. Galvanic shock 

11. After class V GI restoration removal of a thin flush of GI is done by:
A. Scaller or knife immediately. 
B. Finishing stone immediately. 
C. Finishing stone later. 
D. Both A and C 

12. When polishing the amalgam restoration:
A. Avoid heat generation by using wet polishing paste. 
B. Wait 24 hours. 
C. A and B 
D. Neither of these 

13. In cavity preparation, the width of the cavity is:
A. 1/2 inter cuspal distance. 
B. 1/3 inter cuspal distance 
C. 2/3 inter cuspal distance. 
D. None of these 

14. In the preparation of cavity class II , for restoration with composite resin all Cavosurface angles should be:
A. Well rounded 
B. Right angles. 
C. Acute angles. 
D. Obtuse angles 

15. A class IV composite resin restoration should be finished with a:
A. Mounted stone. 
B. Coarse diamond point stone 
C. 12- fluted carbide bur 
D. No. 330 Tungsten carbide bur. 

16. Indirect composite inlay overcome the direct composite by:
A. Insufficient polymerization 
B. Good contact proximally 
C. Gingival seal 
D. All of these 

17. What is the copper ratio that eliminates gamma phase 2:
A. 2% copper 
B. 4% copper 
C. 10 % copper 
D. 13 % copper 

18. Composite for posterior teeth:
A. Microfilled + fine filler. 
B. Macroflled + rough filler. 
C. Hybrid + rough filler 
D. None of these 

19. To provide maximum strength of amalgam restoration the cavo-surface angles should not:
A. Approach 75 Image with outer surface. 
B. Be located in area free of occlusal stress 
C. Be supported by sound dentine. 
D. Approach 90 Image with outer surface. 

20. Length of pins must be equals in both tooth and restoration by a depth of:
A. 1 mm. 
B. 2 mm 
C. 3 mm. 
D. 4 mm 

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