Test Your Knowledge - Free MCQ PRACTICE
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DRIVINGTEST
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. 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

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

3. A glossy finish is best retained on a:
A. Microfilled composite resin restoration
B. Macrofilled resin restoration.
C. Hybrid composite resin restoration.
D. Fiber reinforced composite resin restoration

4. The following chemically bond to the tooth:
A. Composite resin.
B. Dental sealants.
C. Glass ionomer cement
D. All of the above

5. 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

6. 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

7. In placement of rupper dam:
A. 4 jaw contact in teeth.
B. Only 4 contacts 2 lingual surface and 2 buccal surface
C. Only 4 contacts 2 mesial and 2 distal
D. None of these

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

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

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

11. Calcium hydroxide is best pulp capping material because:
A. It has best seal over pulp.
B. It is alkaline + less irritating to pulp.
C. It induces reparation dentine formation
D. All of these

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

13. 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

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

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

16. Removal of Undermined Enamel in Class II cavity is done by :
A. Chisel
B. Angle former
C. Excavator
D. All of these

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

18. 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

19. 7 days after amalgam restoration, patient came complaining of pain during putting spoon on the restored tooth because:
A. Irreversible pulpitis.
B. Reversible pulpitis.
C. Broken amalgam.
D. Galvanic action

20. Maximum time elapsed before condensation of amalgam after titration:
A. 1 minute.
B. 3 minutes
C. 6 minutes.
D. 9 minutes

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