1. Multiple Choice Questions(MCQ’S)
- Department of Periodontology

2. A) CLASSIFICATION OF DISEASES AND CONDITIONS AFFECTING THE PERIODONTIUM
1. Tooth brush trauma resulting in gingival recession is considered to be: a)Facticious b)Iatrogenic c)Accidental d)Physiological

3. 2. The causative agent for histoplasmosis is: a)Bacteria b)Virus c)Fungi d)Protozoa

4. 3. One of the unique features of the most recent gingival disease classification of AAP 1999 is: a)Allergic conditions b)Foreign body reactions c)Non plaque induced traumatic gingival lesions d)Gingivitis associated with endocrinal disorders

5. 4. Pyogenic granuloma is associated with:
Puberty
Pregnancy
Oral contraceptive
Menopause

6. 5. Mucocutaneous lesions having gingival manifestations include all of the following except:
Lichen Planus
Pemphigoid
Erythema Multiforme
Linear Gingival Erythema

7. 6. During gingival inflammation chronic lesions produced by lip, oral and tongue piercing can lead to:
Gingival erosion
Gingival recession
Gingival ulceration
Gingival sloughing

8. 7.During inflammation the gingival fibroblasts are stabilized by:
B) GINGIVAL INFLAMMATION
7.During inflammation the gingival fibroblasts are stabilized by:
IL-1α
b) IL-1β
c) IL-4
d) IL-6

9. 8. In gingivitis early lesion evolves from the initial lesion within:
2 days
7 days
14 days
21 days

10. 9. In gingival inflammation 70% of the collagen is destroyed in:
Stage 1
Stage 2
Stage 3
Stage 4

11. 10.During gingival inflammation fibroblasts show cytotoxic alterations in:
Initial lesion
Early lesion
Established lesion
Advanced lesion

12. 11. Which of the following is not seen in initial lesion of gingivitis:
PMN’S
Erythema
Vascular dilation
Increased GCF flow

13. 12. Transmigrating leukocytes reach their maximum after the onset of clinical gingivitis within:
6-12 days
14-21 days
2-4 days
More than 21 days

14. 13. Within 7 days of inflammation the MMP’s responsible for extracellular matrix remodeling is:

15. 14. Bluish red gingiva is observed in which stage of gingivitis:2 3 4

16. 15. Inverse relation between number of intact collagen fibers and number of inflammatory cells appears in which stage of gingivitis:
Stage-1
Stage-2
Stage-3
Stage-4

17. 16.Neutral mucopolysacchride levels in chronically inflammed gingiva:
Increases
Decreases
Remains constant
Non- detectable

18. 17. During gingival inflammation perivascular loss of collagen is seen in:
Initial lesion
Early lesion
Established lesion
Advanced lesion

19. 18. The junctional epithelium may begin to show development of rete pegs in which stage of gingivitis:
Stage-1
Stage-2
Stage-3
Stage-4

20. 19. In established lesion of gingivitis the predominant cells are:
Plasma cells
PMN’s
Lymphocytes
Macrophages

21. 20. Diffuse gingivitis affects the : Gingival margin Attached gingiva
C) CLINICAL FEATURES OF CHRONIC GINGIVITIS
20. Diffuse gingivitis affects the :
Gingival margin
Attached gingiva
Interdental papilla
All of the above

22. 21. During gingival bleeding the occurrence of MMP-9 expression peaks after:
5 days
14 days
21 days
More than 21 days

23. 22. Gingival bleeding in absence of gingival inflammation occurs due to:
Food impaction
Biting on solid foods
Sharp pieces of hard food
Flossing

24. 23. Heavy metal producing bluish- red linear pigmentation on gingiva is :
Lead
Mercury
Bismuth
Arsenic

25. 24. In gingiva melanin pigmentation is absent or severely diminished in :
Albinism
Albright syndrome
Pemphigoid
Xanthomatous disease

26. 25.Which of the following exogenous factor increases the melanin pigmentation
in gingiva :
Coal
Tobacco
c) Metal dust
Coloring agents

27. 26. In animal studies the mechanical stimulation by brushing increases the proliferative activity of basal cells of junctional epithelium as compared to scalers by :
1.5 fold
2.5 fold
3.5 fold
4.5 fold

28. 27. Diffuse puffiness and softening appears in :
Acute gingivitis
Subacute gingivitis
Recurrent gingivitis
Chronic gingivitis

29. 28. Smooth surfaced texture is observed in :
Desquamative gingivitis
Atrophic gingivitis
Hyperkeratosis
Fibrotic gingiva

30. 29. The incidence of recession after age of 50 years is :
25%
50%
75%
100%

31. 30. Stillman clefts are gingival changes related to :
Texture
Consistency
Contour
Position