1. The Nonspecific plaque hypothesis was delineated by: Robert Koch Schroeder HE Sigmund Socransky Walter Loeshe 2. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known as Perikymata none ofThe above Incremental lines Lines of retzius 3. which of the following bacteria do not invade host tissue cell F.Nucleatum T.denticola P.intermedia P.gingivalis 4. The keratinising potential of which of the following does not change with age Cheeks Lips Hard palate Attached gingiva 5. Regeneration leads to the formation of which layer of cementum cellular intrinsic fibre cementum Acellular extrinsic fiber cementum Acellular afibrillar cementum cellular mixed cementum 6. glycated Hb test before initiating periodontal treatment is done for hemoglobinopathy untreated diabetes controlled diabetes anemia 7. Which of the following area of mouth is most severely affected by gingivitis Buccal surface of gingiva Inter Proximal areas both a and B Lingual surface of gingiva 8. keratinosomes contain a large amount of all of the above glucose 6 phosphates acid phosphates alkaline phosphates 9. calculus index used for short term studies is probe method of calculus assessment calculus component of simplified oal hygiene index calculus surface index calculus component of periodontal disease index 10. Full thickness flap is better than partial for all reasons except Less chance of injury after primary healing Match with skin colour better Shrinkage is less More coverage 11. gingival clefts may be caused by normal frenum attachment faulty toothbrushing use of dental floss occlusal disharmonies 12. A previously well-controlled periodontal patient now demonstrates the presence of bleeding in 60% of sites and significantly increased probing depths. The patient has most likely developed osteoporosis. hypercalcemia. hyperchromatosis. diabetes mellitus. 13. MMP 4 belongs to which of these groups Stromelysin Membrane type Gelatinase Collagenases 14. how many osseous walls are present in one walled vertical defects two wall present one wall present four wall present three wall present 15. Which of the following is not a secondary colonizer of dental plaque Fusobacterium S.sanguis P.gingivalis Bacteroides 16. Periodontitis can be associated with all of the following except: Bleeding upon probing Elevated sulcular temperature Attachment and bone loss that is not progressing Increased gingival exudates 17. Excessive occlusal forces can be superimposed in all cases,except Marginal periodontitis with reduced height of bone Normal periodontium with reduced height of bone Normal periodontium with normal height of bone Marginal periodontitis with normal height of bone 18. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis? P. Intermedia P. Gingivalis B. Forsythus S.oralis 19. The periodontal ligament is constantly remodeled due to the activity of osteoclasts. fibroblasts. mesenchymal cells. macrophages. 20. 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 Loading … Question 1 of 20
