1. In chronic periodontal disease, the most common bone defect seen is: Osseous Craters Reverse architecture Ledges Furcation involvemen 2. Which of the following are not involved in early colonisation of plaque Strep mitis Strep Conestellatus Strep intermedius Strep Gordonii 3. Diameter of bristles of soft brush: 0.2mm 0.4mm 0.3mm 0.6mm 4. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPT Penetration of calculus bacteria into cementum Close adaptation to unaltered cementum Attachment by means of an inorganic pellicle Mechanical locking into surface irregularities 5. Periodontitis can be associated with all of the following except: Increased gingival exudates Elevated sulcular temperature Attachment and bone loss that is not progressing Bleeding upon probing 6. Which of the following is NOT a risk factor for periodontitis? Poor oral hygiene Poorly controlled diabetes. . Smoking tobacco. Coronary heart disease. 7. which of the following is not true about chlorhexidine it is effective against bacteria, fungi and viruses it is slowly released back into the oral cavity for several hours it precipitates cytoplasmic proteins it binds electrostatically to hydroxyapatite 8. Which of the following cells produce anti- bodies? Neutrophils Plasma cells Macrophages T-lymphocytes 9. Superficial zone in ANUG: Fibrin and platelet deposition Inflammatory cells and PMNs Bacterial contamination Necrotic epithelium and plasma cells 10. Which of the following is the main mineral source for subgingival calculus None of the above Saliva Gingival fluid which resemble serum Gingival fluid which resembles plasma 11. Selected bacterial properties involved in evasion of host defense mechanisms involve all of the following, EXCEPT: Leukotoxin None of the above Ig A and Ig G degrading proteases Cytotoxin 12. The interdental gingival col is the area between the facial and lingual attached gingiva. distal and mesial interdental gingiva. facial and lingual interdental gingiva. none of the above 13. Not a part of RED complex: P gingivalis P denticola Actinomycetemcomitans P forsythus 14. Drugs known to cause gingival enlargement include all of the following, EXCEPT: Nifedipine Sodium valproate Carbamazepine Diltiazem 15. Anti Bone-Resorption factor is Prostaglandin Cytokines Leukotrienes Bisphosphonates 16. When performing a periodontal screening and recording (PSR) for a patient, the code asterisk (*) is used for a sextant when a mucogingival problem is present. a tooth in the sextant needs to be extracted. a tooth in the sextant has supraerupted all the teeth in the sextant are missing. 17. Corncob formations in plaque have been observed between.- Cocci None of the above Rods and cocci Rods 18. Full thickness flap is better than partial for all reasons except More coverage Match with skin colour better Shrinkage is less Less chance of injury after primary healing 19. the pocket epithelium shows a series of histopathological changes.which of the following is true in this regard proliferative and degenerative changes necrotic changes proliferative changes degenarative changes 20. A characteristic sign of aggressive periodontitis in an adolescent (juvenile periodontitis) is marginal gingivitis. painful, burning gingivae. drifting of the teeth. hyperplastic gingivitis. Loading … Question 1 of 20
