1. During periodontal disease activity, the loss of clinical attachment. precedes alveolar bone loss.follows alveolar bone loss.none of the aboveis concomitant with alveolar bone lossQuestion 1 of 20 2. In a free gingival graft the epithelium of the graft becomespartially necrotic at the basement membrane areanone of the abovepartially necrotic at the superficial keratinising surfacetotally necrotic and is replaced by new tissueQuestion 2 of 20 3. Which of the following are the most important proteinases involved in destruction of the periodontal tissues?Matrix metalloproteinasesSerine proteinasesHylauronidaseGlucuronidaseQuestion 3 of 20 4. Measurement of reduction in Periodontal probing depth after treatment is a type ofCollateral pointTerminal end pointTrue end pointSurrogate end pointQuestion 4 of 20 5. an index developed by the joint FDI/WHO working group for epidemiological surveys of periodontal health isNIDR-GICPITNNIDRPIQuestion 5 of 20 6. The type of bone present in the labial anterior teeth isCancellousExophyticOsteophyticCorticalQuestion 6 of 20 7. Bisbiguanides are what generation of antiplaque agents1st generations3rd generation2nd generations4th generationQuestion 7 of 20 8. Diameter of tip of Florida probe:O.6mm0.4mm1.2 mm0.9mmQuestion 8 of 20 9. Bacterial enzyme capable of degrading host tissues is:Trypsin-like enzymePhospholipase ACollagenasesAll of the aboveQuestion 9 of 20 10. Which chisel is used in a pulling action(pull stroke)GraceySugarman fileGoldman foxRhodes chiselQuestion 10 of 20 11. Use of ultrasonic devices for gingival curettage results in all of the following exceptDisrupts tissue continuityHeals by secondary intentionMicro cauterisationDoes not affect fibroblastic nucleiQuestion 11 of 20 12. All of the following are signs of occlusal trauma EXCEPTradiographic evidence of increased periodontal ligament space.tooth mobility.loss of pulp vitalitytooth sensitivity.Question 12 of 20 13. Orogranulocytic migratory rate refers toThe rate of migration of polymorphonuclear leucocyte into the cavityThe rate of immigration of lymphocytes into the oral cavityAll of the aboveThe rate of migration of monocytes into the oral cavityQuestion 13 of 20 14. Defects in which inflammatory cell have most frequently been associated with periodontal disease?The plasma cellThe T-lymphocyteThe mast cellThe neutrophilQuestion 14 of 20 15. Antibacterial substance in saliva which prevents the attachment of A. viscosus to enamel surface:MyeloperoxidasePeroxidaseLysozymeLactoferrinQuestion 15 of 20 16. Reducing the supracontact while restoring the original tooth contour during occlusal adjustment is referred to asPointingSpheroidingCoronoplastyGroovingQuestion 16 of 20 17. subgingival temperature is lower insmokers than nonsmokersacute gingivitis than chronic gingivitisperiodontitis than periodontosisnone of the aboveQuestion 17 of 20 18. All these are included in active tissue engineering , exceptEnamel matrix derivativeBilayered cell therapyAntigens fibroblastsAcellular dermal matrixQuestion 18 of 20 19. all are the examples of non bone graft material exceptboplantcartilagehydroxiopatitetricalcium phosphateQuestion 19 of 20 20. Polymorphisms in which of the following genes have been associated with severe chronic periodontitis?TNFPGE2IL-1IL-6Question 20 of 20 Loading...