1. What % collagen fibers and fibroblast are present in the gingival connective tissue60% and 10 %65% and 10%60% and 5%65% and 5%Question 1 of 20 2. What is the active ingredient in PerioChipTM?DoxycyclineMetronidazoleChlorhexidineTetracyclineQuestion 2 of 20 3. Which of the following structures is not present in periodontal ligament ?FibronectinMature elastic fibresMyelinated nerve fibresAngioblast and undifferentiated cellQuestion 3 of 20 4. The instrument best suited for root planing is a/anfile.sickle scalerhoe.curette.Question 4 of 20 5. Which of the following is not the effect of TGF-B on periodontal ligament cellsCell proliferationMatrix gene expressionCollagen synthesisProtein synthesisQuestion 5 of 20 6. The immediate treatment of a periodontal abscess is toprescribe an analgesic.prescribe an antibioticrelieve the occlusion.establish drainage.Question 6 of 20 7. 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)andDisaccharidesLevansLipoproteinsMucoproteinsQuestion 7 of 20 8. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)location of the lesions.lymphadenopathy.temperature of the patient.pain.Question 8 of 20 9. Most common location of 3 wall defect isMesial surface of the upper and lower molarsDistal surface of maxillary molarMesial surface of the upper molarMesial surface of lower premolarQuestion 9 of 20 10. which of the following crystal forms occur in greater amounts in supraginigval calculushydroxyapatite and octacalcium phosphateoctacalcium phosphate and brushitehydroxyapatite and magnesium whitlockitebrushite and magnesium whitlockiteQuestion 10 of 20 11. Superficial zone in ANUG:Necrotic epithelium and plasma cellsBacterial contaminationFibrin and platelet depositionInflammatory cells and PMNsQuestion 11 of 20 12. Vertical food Impaction can be due to all exceptPeriodontal destructionDifference between adjacent tooth marginal ridges and at irregular levelPlunger cuspOpen contacts between adjacent toothQuestion 12 of 20 13. the pontic design with the least affect on the peiodontium is thesanitary ponticovate ponticmodified ridge lap ponticridge lap ponticQuestion 13 of 20 14. Which is the least critical zone of instrumentation during periodontal pocket elimination surgery?Tooth surfacePocket tissue wallRoot surfaceBone in pocket areaQuestion 14 of 20 15. a black line on the gingiva which follows the contour of the margin is due toleadironmercuryargyriaQuestion 15 of 20 16. Systemic antibiotics may be indicated for patients presenting with generalisedaggressive periodontitis.gingival hyperplasiachronic periodontitis.gingivitis.Question 16 of 20 17. the most important bufer system in the saliva isphosphate buffersprotein buffersbicarbonate-carbonic acid buffersall of the aboveQuestion 17 of 20 18. following scaling a patient notices hard black deposits this may be due topoor home careblood clot formation on tooth surfaceshrinkage of gingivapatient is heavy tea drinkerQuestion 18 of 20 19. Best method to evaluate the bone defect:Bitewing radiographsTransgingival probingUse of Florida probePeriapical radiographsQuestion 19 of 20 20. BANA analysis is used to measure the activity ofinflammatory cytokinean enzyme derived froma protein polysaccharidean enzyme from bacteriaQuestion 20 of 20 Loading...