1. calculus index used for short term studies is probe method of calculus assessment calculus component of simplified oal hygiene index calculus surface index calculus component of periodontal disease index 2. Vertical food Impaction can be due to all except Periodontal destruction Open contacts between adjacent tooth Difference between adjacent tooth marginal ridges and at irregular level Plunger cusp 3. The arrangement and character of the principal fibres of the periodontal ligament are modified by alveolar bone occlusal function. cementum. tooth morphology. 4. the anatomic crown is shorter than the clinical crown of tooth in which of the following gingival recession occlusal wear gingivitis impacton 5. the primary source of collegenase in the periodontal pocket is probably blood diet bacteria host tissue cells 6. Major fimbrial structural component of P.gingivalis is KgP Fim C Kgr Fim A 7. the most degenerative changes taking place in the periodontal pocket are in the root surface junctional epithelium lateral wall of the pocket cementoenamel junction 8. Aggressive periodontitis has all of the following features EXCEPT radiographic evidence of bone loss. ulcerations of the gingiva. rapid attachment loss. specific periodontal microbial pathogens. 9. Which of the following is not an indication for antibiotic therapy in patients with acute abscess Horizontal bone loss Fever Deep inaccessible pocket Regional lymphadenopathy 10. Which of the following are the most important proteinases involved in destruction of the periodontal tissues? Glucuronidase Serine proteinases Matrix metalloproteinases Hylauronidase 11. experimental gingivitis given by Sillness And Loe Socransky Loe and Theilade Waller Loesche 12. “Resident leukocytes” include all of the following, EXCEPT: Peripheral dendritic cells Neutrophils Histocytes Mast cells 13. Sulcular epithelium is All options are wrong Semipermeable Highly permeable Non- permeable 14. The distance from the CEJ to the base of the pocket is a measure of Clinical attachment level Gingival recession Probing pocket depth Alveolar bone loss 15. Which is the least critical zone of instrumentation during periodontal pocket elimination surgery? Bone in pocket area Root surface Tooth surface Pocket tissue wall 16. Dental floss should be ideally be used in Type II embrasures Type III embrasures All of the above Type I embrasures 17. Antibiotic active against all strains of A.acetemcomitans Metronidazoe Ciprofloxacin Azithromycin Tetracycline 18. which type of gingival enlargement is seen in puberty interdental gingiva marginal gingiva and attached gingiva all are enlarged both marginal gingiva and attached gingiva are enlarged interdental papillae appear bulbous but facial gingiva is not affected interdental papillae and facial gingiva both are enlarged 19. What is the primary etiologic factor for generalized aggressive periodontitis? Altered lymphocyte activity. Bacterial plaque. Generalized subgingival calculus. Impaired polymorphonuclear phagocytosis. 20. keratinosomes contain a large amount of all of the above alkaline phosphates acid phosphates glucose 6 phosphates Loading … Question 1 of 20