1- 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

2- Which of the following is most important in determining the prognosis for a tooth? Probing pocket depth

Bleeding on probing

Clinical attachment level

Level of alveolar bone

3- What are the characteristics of the primary (initial) bacterial colonizers of the tooth in dental plaque formation? Gram-negative facultative

Gram-positive facultative

Gram-negative anaerobic

Gram-positive anaerobic

4- The most common clinical sign of occlusal trauma is ____. Tooth migration

Tooth abrasion

Tooth mobility

Tooth attrition

5- What is the most important procedure to perform during the initial postoperative visits following periodontal surgery? Plaque removal

Visual assessment of the soft tissue

Periodontal probing

Bleeding index

6- Dental wear caused by tooth-to-tooth contact is ____ Abrasion

Attrition

Erosion

Abfraction

7- Your examination, reveals a probing pocket depth of 6 mm on the facial of tooth 30. The free gingival margin is 2 mm apical to the CEJ (there is 2-mm recession on the facial% How much attachment loss has there been on the facial of this tooth? 6 mm

2 mm

8 mm

4 mm

8- In general, what species are predominant in supragingival tooth-associated attached plaque? Gram-negative rods and cocci

Gram-negative filaments

Gram-positive filaments

Gram-positive rods and cocci

9- Which of the following are antigen-presenting cells? Neutrophils

T-lymphocytes

Macrophages

Plasma cells

10- Given the same amount of attachment loss and 22. same pocket depth, a single-rooted tooth and a multirooted tooth have the same prognosis. The closer the base of the pocket is to the apex of the tooth, the worse the prognosis. Both statements are true.

Both statements are false.

First statement is true. Second statement is false.

First statement is false. Second statement is true

11- The predominant inflammatory cells in the periodontal pocket are ____. Lymphocytes

Plasma cells

Neutrophils

Macrophages

12- Offset angulation is a characteristic feature of Sickle scalers

Universal curettes

Area-specific curettes

Chisels

13- Patients with which of the following should not he treated with ultrasonic instruments? Deep periodontal pockets

Edematous tissue

Infectious diseases

Controlled diabetes

14- Which of the following is am important constituent of gram-negative microorganisms that contributes to initiation, of the host inflammatory response? Exotoxin

Lipoteichoic acid

Endotoxin

Peptidoglycan

15- The inorganic component of subgingival plaque is derived from ____. Bacteria

Saliva

Gingival crevicular fluid

Neutrophils

16- Calculus is detrimental to the gingival tissues because it is ____. A mechanical irritant

Covered with bacterial plaque

Composed of calcium and phosphorous

Locked into surface irregularities

17- For most periodontitis-affected patients, what is the recommended interval for maintenance appointments? 1 month

3 months

6 months

1 year

18- Which of the following are the most important proteinases involved in destruction of the periodontal tissues? Hylauronidase

Matrix metalloproteinases

Glucuronidase

Serine proteinases

19- Restoration margins are plaque-retentive and produce the most inflammation when they are located Supragingival

Subgingival

At the level of the gingival margin

On buccal surfaces of teeth

20- Which of the following are part of Preliminary Phase therapy?a. Treatment of emergencies b. Extraction of hopeless teeth c. Plaque control d. Removal of calculus

a, b, and c

b, c, and d

a and b only

b and d only

21- When performing a laterally repositioned flap, which of the following must be considered relative to the donor site? Presence of bone on the facial

Width of attached gingiva

Thickness of attached gingiva

All of the above

22- Polymorphisms in which of the following genes have been associated with severe chronic periodontitis ? IL-6

IL-1

TNF

PGE

23- Which class of bony defect responds best to regenerative therapy? One-walled

Two-walled

Three-walled

Shallow crater

24- Which of the following are cells of the innate immune system?a.Neutrophils and monocytes/macrophages b. T cells and B cells c. Mast cells and dendritic cells d. Plasma cells a and b

a and c

b and d

b and c

25- Which of the following are cells of the innate immune system?a.Neutrophils and monocytes/macrophages b. T cells and B cells c. Mast cells and dendritic cells d. Plasma cells a and b

a and c

b and d

b and c