1. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPT Attachment by means of an inorganic pellicle Close adaptation to unaltered cementum Mechanical locking into surface irregularities Penetration of calculus bacteria into cementum 2. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known as none ofThe above Incremental lines Lines of retzius Perikymata 3. Dental plaque contains pellicle and food Bacteria and food products Salivary products and food particles Bacteria and bacterial products 4. High-quality restorations if placed subgingivally will cause All of the above Increase in plaque formation Increase in gingival inflammation Increased GCF flow 5. cul de sac appearance is seen in grade 2 furcation grade 4 furcation grade 1 furcation grade 3 furcation 6. The dentogingival unit is composed of PDL fibers and gingival fibers Junctional epithelium and gingival fibers None of the above Junctional epithelium and PDL fibers 7. maintainance of adequate oral hygiene by a patient will not be complicated by the presence of orthodontic bands and brackets fixed bridges open contacts interdental calculus deposits 8. Indications for crown lengthening include the following except: Esthetics Crown fracture Furcation involvement Delayed passive eruption 9. The distance from the CEJ to the base of the pocket is a measure of Clinical attachment level Alveolar bone loss Gingival recession Probing pocket depth 10. which of the following crystal forms occur in greater amounts in supraginigval calculus octacalcium phosphate and brushite hydroxyapatite and magnesium whitlockite hydroxyapatite and octacalcium phosphate brushite and magnesium whitlockite 11. Trauma from occlusion may initiate marginal gingivitis. affect the progression of periodontitis affect the blood supply to gingiva. initiate periodontitis. 12. Square knot is composed of Two single loops thrown in opposite direction Two single loops thrown in same direction Two double loops thrown in opposite direction Two double loops thrown in same direction 13. Superficial zone in ANUG: Necrotic epithelium and plasma cells Inflammatory cells and PMNs Fibrin and platelet deposition Bacterial contamination 14. Which of the following PDL fibres prevent extrusion of tooth Transseptal fibres alveolar crest fibres Oblique fibres Horizontal fibres 15. which of the following is/are the symptoms of periodontal pocket localised pain gingival bleeding tooth mobility diastema formation 16. Three quarter of tooth is covered by gingival enlargement. It can be classified as: Grade IV Grade II Grade III Grade I 17. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the) location of the lesions. pain. temperature of the patient. lymphadenopathy. 18. Diabetic patient with periodontitis have significantly higher level of ______________ in GCF TNF Interleukin-1 PGE2 All 19. a child is having bone loss around molars and incisor region with pus discharge and calculus which cant be treated by medication is suffering from none refractory periodontics agressive periodontics juvenile periodontics 20. Which of the following is most susceptible to gingival breakdown Free gingiva Interdental col Interdental papilla Gingival sulcus Loading … Question 1 of 20