DENTAL MCQ

General Conservative Knowledge Quiz

1) The success of pulp capping is recognized by:

a) The symptoms of pulpitis.
b) The lack of vital response after several weeks or months.
c) The formation of a complete barrier of dentin at the site of pulpal exposure.
d) The patient being able to bite down hard on the tooth.

2) Pulpal pian, either spontaneous or elicited by an irritant, that lingers more than 10 to 15 seconds suggests:

a) Pulpal necrosis.
b) Pulpal hyperemia.
c) Irreversible pulpitis.
d) Acute apical periodontitis.

3) The most conservative way to lighten vital teeth is:

a) Bleaching.
b) Direct composites.
c) Laboratory-fabricated porcelain veneers.
d) Full-coverage crowns.

4) Whic of the following is formed very rapidly in response to irritants?

a) Primary dentin.
b) Secondary dentin.
c) Reparative dentin.
d) sclerotic dentin.

5) The most ductile and malleable metal is:

a) Sliver.
b) Gold.
c) Copper.
d) Platinum.

6) The total energy absorbed to the point of fracture is referred to as:

a) Resilience.
b) Brittleness.
c) Toughness.
d) Modulus of elasticity.

7) Which of the following instruments is designed to most effectively plane the enamel of the facial and lingual walls of a class II amalgum preparation?

a) A gingival margin trimmer.
b) A straight chisel.
c) An enamel hatchet.
d) A spoon excavator.

8) The principal feature of a sealant that is required for success is:

a) High viscosity.
b) Adequate retention.
c) An added colorant to make the apearance slightly different from occlusal enamel.
d) High strength.

9) Pins should be inserted into:

a) Enamel only.
b) dentin only.
c) Enamel and dentin (DEJ).
d) Any of the above.

10) The retension of a pin:

a) increase as the diameter of the pin increase.
b) Increase as the diameter of the pin decrease.
c) Decrease as the diameter of the pin increase.
d) The retension of a pin has nothing to do with the diameter of the pin.

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