1. The distance from the CEJ to the base of the pocket is a measure of Alveolar bone loss Clinical attachment level Gingival recession Probing pocket depth 2. Prevotella intermedia increases significantly in pregnancy gingivitis because of increased steroid hormones act as growth factors. gingival blood vessels with increased inflammation. colonization of shallow pockets. levels of plaque fluid in deep periodontal pockets. 3. Which of the following inhibits bone Resorption LPS OPG IL-1 TNF-alpha 4. Bacteria in a biofilm communicate with each other.This phenomenon is called Coaggregation Transformation Quorum sensing Corncob formation 5. Vertical food Impaction can be due to all except Difference between adjacent tooth marginal ridges and at irregular level Plunger cusp Open contacts between adjacent tooth Periodontal destruction 6. Which is the least critical zone of instrumentation during periodontal pocket elimination surgery? Tooth surface Root surface Pocket tissue wall Bone in pocket area 7. the primary source of collegenase in the periodontal pocket is probably diet host tissue cells bacteria blood 8. the most important bufer system in the saliva is phosphate buffers protein buffers bicarbonate-carbonic acid buffers all of the above 9. Three quarter of tooth is covered by gingival enlargement. It can be classified as: Grade III Grade IV Grade I Grade II 10. Which of the following is the main mineral source for subgingival calculus None of the above Gingival fluid which resembles plasma Saliva Gingival fluid which resemble serum 11. Junctional epithelium attaches to tooth surface by Desmosomes and internal elastic lamina Desmosomes and external basal lamina Hemidesmosomes and external elastic lamina Hemidesmosomes and internal basal lamina 12. Direction in which nabers probe is used Horizontal Vertical Lateral Vertical and horizontal 13. The keratinising potential of which of the following does not change with age Hard palate Lips Attached gingiva Cheeks 14. Drug most effective in treatment of refractory periodontitis including localised juvenile Periodontitis Tetracycline Amoxycillin+metronidazole Penicillin G Ciprofloxacin 15. Preventable risk factor for periodontal disease: Diabetes mellitus Smoking Meal time snacking only Reduced sugar consumption 16. Ultrastructural and biochemical studies have shown that paque microorganisms produce substances which separate them from one another and form a matrix for further plaque accumulation.This matrix is made up of dextrans(glucans)and Lipoproteins Levans Mucoproteins Disaccharides 17. “Odland bodies” are Contain acid phosphatise Modified lysosomes Found within the uppermost cells of stratum spinosum All of the above 18. PMNs are present in which stage of gingivitis: Stage IV Stage III Stage I Stage II 19. Diabetic patient with periodontitis have significantly higher level of ______________ in GCF PGE2 All Interleukin-1 TNF 20. which of the following is/are the symptoms of periodontal pocket localised pain tooth mobility diastema formation gingival bleeding Loading … Question 1 of 20