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

2. Selection of shade for composite is done:
A. Under light. 
B. After drying tooth & isolation with rubber dam 
C. Both A and B 
D. None of the above 

3. Indirect composite inlay has the following advantages over the direct composite EXCEPT:
A. Efficient polymerization. 
B. Good contact proximally. 
C. Gingival seal. 
D. Good retention 

4. 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 

5. After finish class v glass-ionomer cement we do finishing with:
A. Pumice slurry. 
B. Aluminum-oxide disc 
C. Either of these 
D. None of these 

6. ompomer restorative materials are:
A. Glass ionomer with polymer components 
B. Resin systems with fluoride containing glasses 
C. Composite resin for cervical restorations only 
D. All of these 

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

8. It has been proven that amalgam restoration has the following characteristics:
A. Micro leakage decrease with aging of the amalgam restoration. 
B. It is the least techniques sensitive of all current direct restorations. 
C. High dimensional changes. 
D. All of these 

9. 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 

10. 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 

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

12. Loose enamel rods at the gingival floor of a class II amalgam cavity should be removed using :
A. Gingival curetla. 
B. Hatchet. 
C. Gingival marginal trimmer 
D. Straight chisel. 

13. Reduction in amalgam restoration should be:
A. 1-1.5 mm. 
B. 1.5-2 mm 
C. 2-3 mm 
D. 3-5 mm 

14. To prevent discoloration under amalgam filling:
A. Use cavity varnish 
B. Use the correct amalgam-alloy ratio 
C. Wash the cavity with NaOCL b4 filling. 
D. Use Zn phosphate box. 

15. 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 

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

17. Polishing bur have:
A. Less than 6 blades. 
B. 6-7 blades. 
C. 10-12 blades. 
D. More than 12 blades 

18. Stainless steel pin is used in amalgam for:
A. Increase retention 
B. Increase resistance. 
C. Increase streangth. 
D. All of these 

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

20. Depth of amalgam restoration should be:
A. 1 1.5 mm. 
B. 1.5 2 mm 
C. 2 3 mm. 
D. 3 5 mm 

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