1. Which of the following area of mouth is most severely affected by gingivitis Inter Proximal areas Lingual surface of gingiva Buccal surface of gingiva both a and B 2. Which of the following is a secondary colonizer: Staphylococcus Streptococcus Actinomyces Campylobacter 3. Vertical food Impaction can be due to all except Difference between adjacent tooth marginal ridges and at irregular level Periodontal destruction Open contacts between adjacent tooth Plunger cusp 4. “Odland bodies” are All of the above Modified lysosomes Contain acid phosphatise Found within the uppermost cells of stratum spinosum 5. Direction in which nabers probe is used Vertical Horizontal Vertical and horizontal Lateral 6. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulin Hyaluronidase Peroxidase Protease Catalase 7. the anatomic crown is shorter than the clinical crown of tooth in which of the following impacton gingival recession occlusal wear gingivitis 8. Indifferent fibres are collagen fibres none of the above elastic fibres oxytalan fibres 9. which probe is used to detect the furcation involvement florida probe periodontal probe nabers probe probe no 11 10. sulcular epithelium can be penetrated by substances with a molecular weight upto ten million one million two million three million 11. Which salivary components act against lipopolysaccharides (LPS) of bacteria: Lysozyme Lactoferrin Myeloperoxidase Histatin 12. Preventable risk factor for periodontal disease: Meal time snacking only Smoking Diabetes mellitus Reduced sugar consumption 13. What % collagen fibers and fibroblast are present in the gingival connective tissue 65% and 10% 60% and 5% 60% and 10 % 65% and 5% 14. Coronal cementum is A thin layer of cementum deposited on the enamel All of the above Forms due to rapid dissolution of the REE Deposited by connective tissue cells 15. which of the following crystal forms occur in greater amounts in supraginigval calculus brushite and magnesium whitlockite hydroxyapatite and octacalcium phosphate octacalcium phosphate and brushite hydroxyapatite and magnesium whitlockite 16. Mechanisms involved in enamel pellicle formation include all of the following, EXCEPT: Hydrophobic forces Electrostatic mechanisms Van der Waals forces Hydrophilic forces 17. Which of the following is most useful in differentiating an acute periodontal abcess from periapical abcess Nature of swelling Type of exudates Result of periodontal probing Intensity of pain 18. gingival clefts may be caused by use of dental floss faulty toothbrushing occlusal disharmonies normal frenum attachment 19. Chlorhexidine chip degrades in 12-15 days 7-10 days 15-20 days 1 month 20. What is the major clinical difference between the established lesion of gingivitis and the advanced lesion of periodontitis? Bleeding on probing Gingival color, contour, and consistency Loss of crestal lamina dura Attachment and bone loss Loading … Question 1 of 20
