1. Which of the following is not a risk indicator for Periodontitis Osteoporosis Bleeding on probing HIV Infrequent dental visits 2. Which of the following principle fibre groups of the periodontal ligament is the most numerous and provides the main support for the tooth? Oblique. Gingival. Transseptal. Horizontal. 3. Lymph from palatal gingiva drain into Submental lymph node Deep cervical lymph node Jugulodigastric lymph node Submandibular lymph node 4. what is the thickness of cemento-dentinal junction 2-3um 1-2um 4-5um 3-4um 5. MMP 4 belongs to which of these groups Collagenases Gelatinase Stromelysin Membrane type 6. The gingival fiber group which inserts into 2 adjacent teeth is the Oblique group Circular group Horizontal group Trans-septal group 7. The activity of collagen degrading enzymes in the saliva is inhibited by Cathepsins antileucoprotease all of the above TIMP(tissue inhibitor of matrix metalloproteinase) 8. which of the following is true in case of AIDS patients gingiva covered with pseudomembrane gingival itching acute pain diffuse red lesion of the attached gingiva 9. Vitamin C deficiency results in all of the following, EXCEPT Retardation or cessation of osteoid formation Impaired osteoblastic function Hyperreactivity of contractile elements of blood vessels Defective formation and maintenance of collagen 10. Initial sign of phenytoin induced gingival enlargement: Interdental enlargement of papilla Bleeding from gingiva on probing Increased sulcus depth on probing Pale and fibrotic gingiva 11. Bacterial enzyme capable of degrading host tissues is: Collagenases Trypsin-like enzyme All of the above Phospholipase A 12. The dentogingival unit is composed of None of the above PDL fibers and gingival fibers Junctional epithelium and gingival fibers Junctional epithelium and PDL fibers 13. Which of the following area of mouth is most severely affected by gingivitis Buccal surface of gingiva Inter Proximal areas Lingual surface of gingiva both a and B 14. the content of the following increases with the depth of periodontal pockets potassium sodium calcium phosphate 15. Chediak Higashi disease true is: Myeloperoxidase deficiency in neutrophil Affects adults more often Underlying etiology of defect in neutrophil phagocytosis function Defect in neutrophil Chemotaxis 16. glycated Hb test before initiating periodontal treatment is done for hemoglobinopathy controlled diabetes anemia untreated diabetes 17. Antibacterial substance in saliva which prevents the attachment of A. viscosus to enamel surface: Lactoferrin Peroxidase Lysozyme Myeloperoxidase 18. A gingival pocket (pseudopocket) is characterized by none of the above deepened probing depth. loss of attachment. loss of alveolar bone. 19. What will be the radiographic feature of chronic gingivitis Normal bone pattern horizontal bone loss Wedge shaped bone loss Vertical bone loss 20. the pocket epithelium shows a series of histopathological changes.which of the following is true in this regard proliferative changes proliferative and degenerative changes necrotic changes degenarative changes Loading … Question 1 of 20