1. Which of the following is most important in determining the prognosis for a tooth? Level of alveolar bone Clinical attachment level Probing pocket depth Bleeding on probing 2. which of the following is incorrect about langerhans cells these are modified monocytes these are dendritic cells these are present in basal cell layers of oral epithelium these are absent in junctional epithelium 3. blood supply of the buccal marginal gingiva is through the branches of internal carotid artery subperiosteal vessels transalveolar vessels supraperiosteal vessels 4. Regeneration leads to the formation of which layer of cementum Acellular afibrillar cementum cellular mixed cementum cellular intrinsic fibre cementum Acellular extrinsic fiber cementum 5. A periodontal screening and recording (PSR) score of 3 for a sextant indicates that probing depth does NOT exceed 4.0mm. 3.5mm. 3.0mm. 5.5mm. 6. how many osseous walls are present in one walled vertical defects two wall present one wall present four wall present three wall present 7. an index developed by the joint FDI/WHO working group for epidemiological surveys of periodontal health is CPITN NIDR NIDR-GI PI 8. Which of the following cells produce anti- bodies? Plasma cells T-lymphocytes Neutrophils Macrophages 9. Three quarter of tooth is covered by gingival enlargement. It can be classified as: Grade III Grade II Grade IV Grade I 10. Trauma from occlusion may affect the progression of periodontitis affect the blood supply to gingiva. initiate marginal gingivitis. initiate periodontitis. 11. experimental gingivitis given by Sillness And Loe Loe and Theilade Socransky Waller Loesche 12. the content of the following increases with the depth of periodontal pockets potassium calcium phosphate sodium 13. most commonly used technique of flossing winding method knutson technique spiral method spool method 14. Which of the following is most susceptible to gingival breakdown Free gingiva Interdental papilla Gingival sulcus Interdental col 15. Which of the following organisms is not implicated in the etiology of periodontal diseases Bacteroides Wolinella Eikenella Neisseria 16. The dentogingival unit is composed of PDL fibers and gingival fibers Junctional epithelium and gingival fibers None of the above Junctional epithelium and PDL fibers 17. glycated Hb test before initiating periodontal treatment is done for anemia untreated diabetes controlled diabetes hemoglobinopathy 18. Ramfjord index uses teeth: 16 24 26 30 36 44 11 16 21 24 36 41 16 21 24 36 41 44 11 16 24 30 36 41 19. Square knot is composed of Two double loops thrown in same direction Two double loops thrown in opposite direction Two single loops thrown in same direction Two single loops thrown in opposite direction 20. which of the following bacteria is lethal to A. Actinomycetemcomitans S.mutans S. Salivarius S.Sanguis S.mitis Loading … Question 1 of 20