1. In horizontal alveolar bone loss, the pathway of inflammation isthrough the epithelial attachment.through the cortical bone of the alveolar process.through the periodontal ligament.perivascularly, into the marrow spaces of the crestal boneQuestion 1 of 20 2. The following periodontal fibres are most resistant to periodontitsCircularTransgingivalTransseptalIntergingivalQuestion 2 of 20 3. blood supply of the buccal marginal gingiva is through thebranches of internal carotid arterysupraperiosteal vesselstransalveolar vesselssubperiosteal vesselsQuestion 3 of 20 4. Isolated gingival recession is most frequently seen on teeth that arenonvital.labially prominentheavily restored.mobile.Question 4 of 20 5. In guided tissue regeneration, which of the following describes the purpose of the membrane?To direct epithelium growthTo support the epitheliumTo contain the graftTo promote osteoconductionQuestion 5 of 20 6. Which class of bony defect responds best to regenerative therapy?One-walledShallow craterThree-walledTwo-walledQuestion 6 of 20 7. All of the following techniques may be used to achieve retention of periodontal packs, exceptMechanical interlocking in interdental spacesVestibular extensionsDental flossSplints and stentsQuestion 7 of 20 8. Recurring tooth rotations occur most frequently after orthodontic correction due todensity of the cortical bone.oblique fibres of the periodontal ligamentpersistence of tongue and finger habits.free gingival and transseptal fibres.Question 8 of 20 9. Which of the following is a major contraindication to resection of crest boneRemoval of healthy boneGingival recessionWeakening of support of an adjacent toothPost surgical infectionQuestion 9 of 20 10. The distance from the CEJ to the base of the pocket is a measure ofAlveolar bone lossClinical attachment levelGingival recessionProbing pocket depthQuestion 10 of 20 11. Leukotoxin 116kDa is secreted fromA actinomycetemcomitansPorphyromonas gingivalisFusobacteriumPrevotella intermediaQuestion 11 of 20 12. Which of the following medications often result in overgrowth of gingival tissues?Calcium channel blockers, phenytoin, and cyclosporineAmpicillin, tetracycline, and erythromycinPenicillin, calcium channel blockers, phenytoin .Cyclosporin, penicillin, and cephalosporinsQuestion 12 of 20 13. Square knot is composed ofTwo double loops thrown in opposite directionTwo double loops thrown in same directionTwo single loops thrown in same directionTwo single loops thrown in opposite directionQuestion 13 of 20 14. child tooth brush,as compared to adult tooth brush differs inhandlehead sizebristle sizehard bristlesQuestion 14 of 20 15. Antibacterial substance in saliva which prevents the attachment of A. viscosus to enamel surface:LysozymeLactoferrinMyeloperoxidasePeroxidaseQuestion 15 of 20 16. The observed increase in glycogen in epithelium in marginal gingivitis is due toBacteril collagenaseSalivary amylaseVitmin C deficiencyBacterial hyaluronidaseQuestion 16 of 20 17. what is the thickness of cemento-dentinal junction2-3um3-4um1-2um4-5umQuestion 17 of 20 18. Full thickness flap is better than partial for all reasons exceptShrinkage is lessLess chance of injury after primary healingMatch with skin colour betterMore coverageQuestion 18 of 20 19. Preventable risk factor for periodontal disease:Meal time snacking onlyDiabetes mellitusReduced sugar consumptionSmokingQuestion 19 of 20 20. Width of attached gingiva is least onMaxillary 1st premolarMandibular CIMandibular 1st premolarMaxillary CIQuestion 20 of 20 Loading...