1. The activity of collagen degrading enzymes in the saliva is inhibited by Cathepsins all of the above antileucoprotease TIMP(tissue inhibitor of matrix metalloproteinase) 2. Which of the following is NOT a risk factor for periodontitis? Poorly controlled diabetes. . Smoking tobacco. Poor oral hygiene Coronary heart disease. 3. “Odland bodies” are Found within the uppermost cells of stratum spinosum Contain acid phosphatise Modified lysosomes All of the above 4. The micro organisms colonising the gingival pockets utilise which of the following as energy source Saliva and amino acids Amino acids and simple peptides Saliva and sugars Amino acid and sugars 5. Necrotic pressure areas undermining bone resorption and endosteal bone formatioon are all associated with Periodontal abcess Primary occlusal trauma Periodontal cyst Juvenile Periodontitis 6. Initial colonisers of plaque use what energy source Glycoproteins Available sugar Lipids Amino acids 7. Diameter of tip of Florida probe: 0.9mm 1.2 mm O.6mm 0.4mm 8. Major fimbrial structural component of P.gingivalis is Fim C KgP Kgr Fim A 9. which of the following is not the function of sulcular fluid it provides plasma proteins that help in adhesion of junctional epithelium of the tooth it helps in plaque formation by providing glycoproteins which are an important component of dental pellicle it helps in removing harmful materials fom the sulcus it carries antibodies to help in defense mechanism of gingiva 10. Drugs known to cause gingival enlargement include all of the following, EXCEPT: Diltiazem Carbamazepine Sodium valproate Nifedipine 11. ANUG is caused by: Spirochaetes A actinomycetemcomitans P. intermedia P. Gingivalis 12. Which of the following is not a secondary colonizer of dental plaque P.gingivalis Bacteroides S.sanguis Fusobacterium 13. the content of the following increases with the depth of periodontal pockets potassium calcium phosphate sodium 14. Which of the following marker is absent in orthokeratinised area in oral mucosa? K19 K10 K11 K12 15. an index developed by the joint FDI/WHO working group for epidemiological surveys of periodontal health is PI NIDR-GI CPITN NIDR 16. Acids secreted by osteoclasts at the ruffle border are Hydrochloric acid Citric acid Lactic acid Both a and B 17. the anatomic crown is shorter than the clinical crown of tooth in which of the following gingivitis occlusal wear impacton gingival recession 18. The gingival fiber group which inserts into 2 adjacent teeth is the Horizontal group Trans-septal group Oblique group Circular group 19. The dentogingival unit is composed of PDL fibers and gingival fibers None of the above Junctional epithelium and PDL fibers Junctional epithelium and gingival fibers 20. Initial sign of phenytoin induced gingival enlargement: Pale and fibrotic gingiva Bleeding from gingiva on probing Interdental enlargement of papilla Increased sulcus depth on probing Loading … Question 1 of 20
