1. Vertical food Impaction can be due to all except Periodontal destruction Difference between adjacent tooth marginal ridges and at irregular level Plunger cusp Open contacts between adjacent tooth 2. which of the following crystal forms occur in greater amounts in supraginigval calculus hydroxyapatite and octacalcium phosphate octacalcium phosphate and brushite brushite and magnesium whitlockite hydroxyapatite and magnesium whitlockite 3. “Resident leukocytes” include all of the following, EXCEPT: Mast cells Neutrophils Peripheral dendritic cells Histocytes 4. which of the following is/are the symptoms of periodontal pocket localised pain gingival bleeding diastema formation tooth mobility 5. Aggressive periodontitis has all of the following features EXCEPT specific periodontal microbial pathogens. rapid attachment loss. ulcerations of the gingiva. radiographic evidence of bone loss. 6. Not a part of RED complex: P denticola P forsythus Actinomycetemcomitans P gingivalis 7. Which of the following is not a risk indicator for Periodontitis Osteoporosis Infrequent dental visits Bleeding on probing HIV 8. ANUG is caused by: P. intermedia A actinomycetemcomitans Spirochaetes P. Gingivalis 9. Dental wear caused by tooth-to-tooth contact is Abrasion Abfraction Attrition Erosion 10. Which of the following is most susceptible to gingival breakdown Interdental col Interdental papilla Free gingiva Gingival sulcus 11. Gold Standard to detect Halitosis is Halimeter Gas Chromatography Organoleptic Analysis Electronic Nose 12. The most common oral lesion in HIV infected patients is Oral hyperpigmentation Oral Kaposi’s sarcoma Oral Hairy leukoplakia Oral candidiasis 13. which of the following plaque indices doesnot use a disclosing agent all of the above plaque component of periodontal disease index debris component of simplified oral hygiene index modified quigley hein plaque index 14. To identify key microorganisms in periodontal disease Koch criteria have been modified by socransky Glickman russel vermillon 15. In horizontal alveolar bone loss, the pathway of inflammation is perivascularly, into the marrow spaces of the crestal bone through the cortical bone of the alveolar process. through the epithelial attachment. through the periodontal ligament. 16. Acids secreted by osteoclasts at the ruffle border are Lactic acid Citric acid Both a and B Hydrochloric acid 17. most commonly used technique of flossing winding method spiral method knutson technique spool method 18. what is the thickness of cemento-dentinal junction 1-2um 2-3um 4-5um 3-4um 19. Which of the following is NOT a risk factor for periodontitis? Poor oral hygiene Poorly controlled diabetes. Coronary heart disease. . Smoking tobacco. 20. Sulcular epithelium is Semipermeable Highly permeable All options are wrong Non- permeable Loading … Question 1 of 20