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1. Indications for gingivectomy include all EXCEPT:

a. Suprabony deep pockets  b. Infrabony moderate pockets c. Pseudopockets d. Suprabony pockets with adequate attached gingiva 2 Uncontrolled diabetics have a higher prevalence and severity of periodontal disease than nondiabetics with similar local irritation. Frequent periodontal abscesses are an important feature of  periodontal disease in diabetics.

a. Both statements are True  b. First statement is True; second is False c. First statement is False; second is True d. Both statements are False 3. The purpose of root planing:

a. Produce a smooth, glossy surface  b. Remove lipopolysaccharides (endotoxin) adsorbed on cementum c. Both a and b 4. A recurrent, inflammatory destructive disease of the gingiva commonly seen i n teenagers and young adults:

a. puberty gingivitis  b. localized juvenile periodontitis c. primary herpetic gingivostomatitis d. familial hyperplasia e. acute netrotizing ulcerative gingivitis 5. This antibiotic can attain levels in the gingival crevicular fluid that can be as high as 4 to 10 times the concentration observed in serum; has anticollagenase properties and is often used as an adjunct in periodontal therapy.

a. Erythromycin  b. Metronidazole c. Amoxicillin d. Tetracycline 6. Surgical treatment for class II furcations could involve al l of the following EXCEPT:

a. free gingival graft  b. bone graft c. guided tissue regeneration d. apically positioned flap

7. Your patient has completed active periodontal therapy including surgery. In order to maintain gingival health after surgery, what best describes what you w ould tell the patient?

a. Yearly prophylaxis cleanings will be necessary  b. You are cured

c. Return to your general dentist; call if you have a problem d. Good home care and recall visits at least four times a year  8. The most prevalent gingival disease in children is:

a. Localized juvenile periodontitis  b. Acute herpetic gingival stomatitis c. ANUG d. Acute localized gingivitis 9. What periodontal surgical procedure is contraindicated in the presence of minimal keratinized attached gingiva?

a. Apically positioned flap  b. Osseous surgery c. Gingivectomy) d. Free gingival graft 10. This incision is from the designated area on the gingiva and is directed apically to-the crest of  bone:

a. External bevel incision  b. Internal bevel incision c. Horizontal incision 11. What is the function of chlorhexidine di gluconate?

a. antihalitosis agent  b. antimicrobial agent c. inhibition of plaque,calculus, and gingivitis development d. C only e. all of the above f. B and C only 12. Indications for the lateral pedicle graft include all EXCEPT:

a. Good periodontal support at the recipient site  b. Recession present on three adjacent teeth c. Facial mucogingival defect d. Adequate attached gingiva at the donor site

13. What type of bony defect has loss of mesial, distal, and buccal walls?

a. One wall infrabony defect  b. Two wall crater  c. Three wall infrabony defect 14. What surgery should be performed in the area where the distal of the last tooth in the arch has a residual deep bleeding pocket?

a. Guided tissue regeneration  b. Distal wedge surgery c. No surgery should be done; unpredictable results

15. Smoking and its effects on the periodontium are all EXCEPT:

a. Increased risk for bone loss  b. Increased inflammation and swollen, bleeding gingiva c. Increased fibrotic tissue with masked inflammation d. Increased frequency of ANUG in smokers 16. Crevicular epithelium is one example of non-keratinized gingival tissue. Another example is the:  A. gingival col B. marginal gingiva C. attached gingiva D. outer gingival epithelium 17. Which of the following is the MOST effective means of controlling postsurgical root sensitivity after a periodontal surgery?  A. Plaque control B. Applications of formalin C. Applications of calcium hydroxide D. Use of a desensitizing dentifrice 18. Dental plaque is believed to adhere to teeth because  A. levans are soluble and sticky B. dextrans are insoluble and sticky C. the surface tension of plaque is low D. bacteria secrete a lipoprotein-cementing substance 19. Which of the following is the primary etiology of gingivitis during puberty and pregnancy?  A. Plaque B. Estradiol C. Calculus D. Estrogen E. Progesterone 20. To prevent exposure of a dehiscence or fenestration on a prominent root, the dentist's best approach when elevating a flap is to use a (an)  A. double flap B. stripping procedure C. full thickness flap D. apically positioned flap E. partial or split thickness flap

21. Which of the following is the MOST likely to cause gingival recession?  A. Occlusal trauma B. Systemic disease C. Toothbrush abrasion D. Improper deflecting contour E. Necrotizing ulcerative gingivitis

22. Following cleansing of a tooth, new plaque growth accumulates principally on which of the following surfaces?  A. Interproximal B. occlusal C. lingual D. facial 23. Before undergoing any periodontal surgery, a patient should be controlling the accumulation of plaque; BECAUSE, in the plaque infected dentition after surgery, the incidence of disease recurrence will be greater.  A. Both the statement and the reason are correct and related B. Both the statement and the reason are correct but NOT related C. The statement is correct, but the reason is NOT D. The statement is NOT correct, but the reason is accurate E. NEITHER the statement NOR the reason is correct 24. Which of the following cells in the inflammatory infiltrate of an acute periodontal abscess are the MOST numerous?  A. B-lymphocytes B. T-lymphocytes C. Macrophages D. Plasma cells E. Neutrophils

25. Which of the following represents the main objective of the maintenance phase of  periodontal therapy?  A. To maintain rapport with the patient B. To prevent the recurrence of disease C. To perform touch-up of secondary surgical procedures D. To complete all remaining aspects of the treatment plan E. To reevaluate the results of initial therapeutic effects

KEY ANSWERS

1: b

6: a

11: b

16: a

2: a

7: d

12: b

17: a

3: c

8: d

13: a

18: b

4: e

9: c

14: b

19 a

5: d

10: b

15: b

20: e

21: c

22: a

23: a

24: e

25: b