1. gingivitis is initiated most commonly by malocclusion local irritating factors pregnancy vitamin deficiency 2. Gold Standard to detect Halitosis is Halimeter Organoleptic Analysis Gas Chromatography Electronic Nose 3. What is the primary source of elevated collagenolytic activity in chronic periodontitis? Neutrophils. P. gingivalis. P. intermedia Macrophages. 4. Aggressive periodontitis has all of the following features EXCEPT ulcerations of the gingiva. rapid attachment loss. specific periodontal microbial pathogens. radiographic evidence of bone loss. 5. The distance from the CEJ to the base of the pocket is a measure of Alveolar bone loss Probing pocket depth Gingival recession Clinical attachment level 6. glycated Hb test before initiating periodontal treatment is done for hemoglobinopathy untreated diabetes controlled diabetes anemia 7. Trauma from occlusion may initiate marginal gingivitis. initiate periodontitis. affect the blood supply to gingiva. affect the progression of periodontitis 8. Dental floss should be ideally be used in All of the above Type I embrasures Type II embrasures Type III embrasures 9. which of the following is not true about chlorhexidine it is slowly released back into the oral cavity for several hours it precipitates cytoplasmic proteins it is effective against bacteria, fungi and viruses it binds electrostatically to hydroxyapatite 10. Which of the following is a secondary colonizer: Actinomyces Streptococcus Campylobacter Staphylococcus 11. Which sign or symptom is most common with a periodontal abscess Vital tooth Deep caries Severe throbbing pain Sinus tract in mucosa 12. Endotoxin is a potent inflammatory agent. All of the above. present in diseased root cementum. a cell wall component of gram-negative bacteria. 13. the most degenerative changes taking place in the periodontal pocket are in the junctional epithelium cementoenamel junction lateral wall of the pocket root surface 14. Which of the following are the most important proteinases involved in destruction of the periodontal tissues? Hylauronidase Serine proteinases Glucuronidase Matrix metalloproteinases 15. If the periodontal index score is between 0.7 and 1.9 it means that the periodontal disease is Reversible Irreversible Absent Treated 16. Junctional epithelium attaches to tooth surface by Desmosomes and external basal lamina Hemidesmosomes and internal basal lamina Desmosomes and internal elastic lamina Hemidesmosomes and external elastic lamina 17. embrassure characterised by the slight to moderate recession of interdental papillae are type IV type III type I type II 18. Excessive occlusal forces can be superimposed in all cases,except Marginal periodontitis with normal height of bone Normal periodontium with reduced height of bone Marginal periodontitis with reduced height of bone Normal periodontium with normal height of bone 19. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known as none ofThe above Perikymata Lines of retzius Incremental lines 20. Orogranulocytic migratory rate refers to The rate of migration of polymorphonuclear leucocyte into the cavity The rate of immigration of lymphocytes into the oral cavity The rate of migration of monocytes into the oral cavity All of the above Loading … Question 1 of 20