POST GRADUATE PERIODONTIC

 

 

1) Three wall defect most frequently occur:
a) on the lingual aspect.
b) on the facial aspect.
c) in the interdental region.
d) in the furcation areas particuarly involing maxillary molars.

2) After placing free gingival graft,the graft epithelium undergoes which of the following alterations:
a) dysplasia.
b) degeneration.
c) proliferation.
d) orthokeratinization.

3) The predominant cell type in gingival(crevicular)fluid is the:
a) mast cell.
b) plasme cell.
c) macrophage.
d) polymorphonuclear leukocyte.

4) Which of the following lesions may create gingival deformities that require gingivoplasty to elimiinate the defects:
a) erosive lichenplanus.
b) desquamative gingivitis.
c) acute herpetic gingivostomatis.
d) necrotizing ulcerative gingivitis.

5) When bacteria invade through some break in the gingival tissue,the result can be:
a) a periapical abcess.
b) a periodontal abcess.
c) a gingival abcess.
d) a radicular cyst.

6) An enlargement of the marginal gingiva with the formation of a lifesaver-like gingival prominence describes:
a) stillmans cleft.
b) gingival abcess.
c) fistula.
d) McCalls festoon.

7) Which of the following is the most effective chemotherapeutic agent against bacterial plaque:
a) zinc chloride.
b) chlorhexidine.
c) hydrogen peroxide.
d) sodium perborate.

8) Which of the following peridontal factors cannot be determined through a radiographic evaluation alone:
a) height or countour of the bone located on the facial or lingual surfaces of the teeth.
b) presence or absence of periodontal pockets.
c) presence or absence of occlusal trauma.
d) all of the above.

9) Gingival curettage is indicated in the treatment of:
a) inflamed and edematous gingiva.
b) fibrotic gingiva.
c) bleeding gingiva.
d) all of the above.

10) Necrotic pressure areas undermining bone resorption and endosteal bone formation are all associated with:
a) juvenile periodontitis.
b) periodontal abcess.
c) primary occlusal trauma.
d) chronic destructive periodontitis.


 
 
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