POST GRADUATE PERIODONTIC TESTS

 

1) When measuring the depth of a periodontal pocket, the measurement is made from the base of the pocket or the attached periodontal tissues to:
a) the cementoenamel junction.
b) the height of the gingival margin.
c) a fixed point.
d) the unattached periodontal tissue.

2) Which of the following ingredients serves to retain moisture in a commertial tooth paste:
a) detergent.
b) humectant.
c) surfactant.
d) binder.

3) Which of the following types of mouth washes are prepared to relieve pain:
a) astringents.
b) anodynes.
c) buffering agents.
d) oxygenating agents.

4) Which one of the following best describes the objective of root planing:
a) removal of the factors that promote gingival inflammation.
b) removal of the diseased epithelial attachment.
c) removal of the diseased attached gingiva.
d) removal of the diseased sulcular epithelium.

5) An early effect of primary traumatic occlusion is:
a) vertical pocket formation.
b) generalised alveolar bone loss.
c) undermining resorption of the alveolar bone.
d) hemorrhage and thrombosis of blood vessels in the periodontal ligament.

6) The best immediate treatment for bruxism problem would be:
a) to refer for a psychiatric counseling.
b) elimination of the balancing interference.
c) temporary splinting of the mobile teeth.
d) to construct an occlusal night guard.

7) Ultrastructural and biochemical studies have shown that plaque microorganisms produce substances which seperate them from one another and form a matrix for further plaque accumulation .This matrix is made up of dextrans(glucans) and:
a) levans.
b) mucoproteins.
c) disaccharides.
d) lipoproteins.

8) Unilateral mastication will tend to result in:
a) greater accumulation of plaque on the unused side.
b) greater accumulation of plaque on the used side.
c) a greater degree of periodontal disease on the used side.
d) heavier and more dense bone support on the unused side.

9) Periodontal recall following therapy should occur at:
a) 6-month intervals.
b) yearly intervals.
c) 3 month interval at first, and then increasingly greater intervals.
d) intervals dependent upon tissue response, patient dexterity and patient motivation.

10) A material composed of particles of sufficient hardness to cut or scratch a softer material when drawn across its surface is called:
a) an abrasive.
b) a cleanser.
c) a polish.
d) a dentrifrice.
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