1. Junctional epitheliumIs derived initially from the outer enamel epitheliumLines the gingival sulcusIs attached to enamel by desmosomesIs permeableQuestion 1 of 20 2. an epidemiological index with a true biological gradient isperiodontal index-russelperiodontal index-RamfjordPMA index-Schour and maselersimplified oral hygiene index-green and vermilionQuestion 2 of 20 3. which of the following bacteria do not invade host tissue cellT.denticolaP.intermediaP.gingivalisF.NucleatumQuestion 3 of 20 4. plateau like bone margins caused by resorption of thickened bony plates are called asledgesreversed architectureosseous cratersexostosesQuestion 4 of 20 5. Which of the following condition gingivectomy is contraindicatedEnlargement of gingivaGingival sulcus beyond mucogingival junctionPapillary enlargementEnlargement due to acute systemic diseaseQuestion 5 of 20 6. sulcular epithelium isall of the abovesemipermeable in naturecan be keratinised when exposed to oral cavitynon keratinisedQuestion 6 of 20 7. What is the primary etiologic factor for generalized aggressive periodontitis?Altered lymphocyte activity.Generalized subgingival calculus.Bacterial plaque.Impaired polymorphonuclear phagocytosis.Question 7 of 20 8. The reaction to irrigation and inflammation in the sulcular area is calledPseudoepitheliomatous hyperplasiaPyknosisnone of the aboveHyperkeratosisQuestion 8 of 20 9. Which of these causes maximum amount of connective tissue damage leading to bone loss:Subgingival unattached plaqueSubgingival plaqueSubgingival plaque attached to epitheliumSupragingival attached plaqueQuestion 9 of 20 10. Dr Bernhard Giesenhagen gave which of the following augmentation techniqueBone Flap techniqueBone ring techniqueOverlap techniqueBone pouch techniqueQuestion 10 of 20 11. The periodontal ligament is constantly remodeled due to the activity ofosteoclasts.macrophages.mesenchymal cells.fibroblasts.Question 11 of 20 12. To reinforce the thinned bony trabeculae by occlusal forces,bone formed isbuttressing bone formationreinforcing bone formationcondensingledgeQuestion 12 of 20 13. Treatment of primary herpectic gingivostomatitis should includetopical steroids.application of dilute hydrogen peroxide.control of secondary infectioncauterization.Question 13 of 20 14. The most prevalent inflammatory cells found in gingival tissue 24 hours following flap surgery aremonocytes.polymorphonuclear leukocytesLymphocytesmacrophages.Question 14 of 20 15. Correction of an inadequate zone of attached gingiva on several adjacent teeth is best accomplished with a/anfree gingival graft.laterally positioned sliding flap.double-papilla pedicle graft.coronally positioned flap.Question 15 of 20 16. As compared to the localized form of aggressive periodontitis,the generalized form differs in that it:Shows poor serum antibody responseExhibits familial aggregation of diseased individualsExhibits rapid attachment and bone lossOccurs in otherwise healthy individualsQuestion 16 of 20 17. which of the following plaque indices doesnot use a disclosing agentmodified quigley hein plaque indexplaque component of periodontal disease indexall of the abovedebris component of simplified oral hygiene indexQuestion 17 of 20 18. Which of the following is not a risk indicator for PeriodontitisHIVOsteoporosisInfrequent dental visitsBleeding on probingQuestion 18 of 20 19. which of the following crystal forms occur in greater amounts in supraginigval calculushydroxyapatite and magnesium whitlockitehydroxyapatite and octacalcium phosphatebrushite and magnesium whitlockiteoctacalcium phosphate and brushiteQuestion 19 of 20 20. Langer's technique is:Free gingival autograftSubepithelial CT graftFenestration closureVestibuloplastyQuestion 20 of 20 Loading...