Periodontology #10 – Unidontia

1. Which of the following has an essential role in the formation of VSC (volatile sulphur compound )

Gram negative saccharolytic bacteria

Gram positive saccharolytic bacteria

Gram positive proteolytic bacteria

Gram negative proteolytic bacteria

Question 1 of 20

2. Anti Bone-Resorption factor is

Prostaglandin

Leukotrienes

Cytokines

Bisphosphonates

Question 2 of 20

3. Systemic antibiotics may be indicated for patients presenting with generalised

gingival hyperplasia

aggressive periodontitis.

chronic periodontitis.

gingivitis.

Question 3 of 20

4. Which of the following root surfaces have concavities that make root planing difficult?

Distal of the palatal roots of maxillary molars

Mesial of maxillary first premolars.

Mesial of maxillary incisors.

Lingual of mandibular first premolars.

Question 4 of 20

5. Which is the least critical zone of instrumentation during periodontal pocket elimination surgery?

Pocket tissue wall

Tooth surface

Root surface

Bone in pocket area

Question 5 of 20

6. CADIA system is used to check

progression of periodontal disease

bleeding sites

furcation involvement

mobility of teeth

Question 6 of 20

7. Treatment of primary herpectic gingivostomatitis should include

topical steroids.

application of dilute hydrogen peroxide.

control of secondary infection

cauterization.

Question 7 of 20

8. How much is the connective tissue width around an implant

4-5mm

3-3.65mm

2-3 mm

4-4.5mm

Question 8 of 20

9. Merins classification is used for:

Measuring post-surgical gain in attachment

Measuring loss of bone after disease

Classification of periodontal disease

Patient recall

Question 9 of 20

10. The dentogingival unit is composed of

Junctional epithelium and gingival fibers

None of the above

Junctional epithelium and PDL fibers

PDL fibers and gingival fibers

Question 10 of 20

11. Curved nabers probe is mainly used to

Measure depth of periodontal pockets

Evaluate horizontal component of furcation areas

None of the above

Locate subgingival deposits

Question 11 of 20

12. after periodontal surgery the recommended method for removing plaque and gingival massage is

none of the above

charters

bass

modified stillman

Question 12 of 20

13. Which of these causes maximum amount of connective tissue damage leading to bone loss:

Subgingival plaque attached to epithelium

Subgingival plaque

Subgingival unattached plaque

Supragingival attached plaque

Question 13 of 20

14. Full thickness flap is better than partial for all reasons except

Match with skin colour better

Less chance of injury after primary healing

More coverage

Shrinkage is less

Question 14 of 20

15. Junctional epithelium

Lines the gingival sulcus

Is derived initially from the outer enamel epithelium

Is permeable

Is attached to enamel by desmosomes

Question 15 of 20

16. If the periodontal index score is between 0.7 and 1.9 it means that the periodontal disease is

Absent

Reversible

Irreversible

Treated

Question 16 of 20

17. Vertical food Impaction can be due to all except

Difference between adjacent tooth marginal ridges and at irregular level

Open contacts between adjacent tooth

Plunger cusp

Periodontal destruction

Question 17 of 20

18. Vicryl plus contains

Triclosan

Metronidazole

Tetracycline

Minocycline

Question 18 of 20

19. "dento alveolar ablation" refers to gingival recession caused by

tooth malposition

gingival inflammation

cheek and lip muscle action

faulty toothbrushing

Question 19 of 20

20. an index developed by the joint FDI/WHO working group for epidemiological surveys of periodontal health is

NIDR

CPITN

NIDR-GI

Question 20 of 20