PERIODONTICS Sample Questions Flashcards Preview

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Flashcards in PERIODONTICS Sample Questions Deck (31)
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1
Q
what is the dental wear caused by tooth-to-tooth contact called?
A. abrasion
B. attrition
C. erosion
D. abfraction
A

B

2
Q
occlusal loading resulting in tooth flexure, mechanical microfractures, and loss of tooth substance in the cervical area is \_\_\_
A. abrasion
B. attrition
C. erosion
D. abfraction
A

D

3
Q
the distance from the CEJ to the base of the pocket is a measure of \_\_\_
A. clinical attachment level
B. gingival recession
C. probing pocket depth
D. alveolar bone loss
A

A

4
Q
your examination reveals a probing pocket depth of 6mm on the facial of tooth #30. the free gingival margin is 2mm apical to the CEJ (there is 2-mm recession on the facial). how much attachment loss has occurred on the facial of this tooth?
A. 6mm
B. 2mm
C. 8mm
D. 4mm
A

C

5
Q
the key feature that differentiates periodontitis from gingivitis is \_\_\_
A. loss of clinical attachment
B. periodontal pockets greater than 3mm
C. gingival recession
D. bleeding on probing
A

A

6
Q
in general, what microorganisms are predominant in supragingival tooth-associated attached plaque?
A. gram negative rods and cocci
B. gram negative filaments
C. gram positive filaments
D. gram positive rods and cocci
A

D

7
Q
the inorganic component of subgingival plaque is derived from \_\_\_
A. bacteria
B. saliva
C. gingival crevicular fluid
D. neutrophils
A

C

8
Q
what are the characteristics of the primary (initial) bacterial colonizers of the tooth in dental plaque formation?
A. gram negative facultative
B. gram positive facultative
C. gram negative anaerobic
D. gram positive anaerobic
A

B

9
Q
which of the following is an important constituent of gram negative microorganisms that contributes to initiation of the host inflammatory response?
A. exotoxin
B. lipoteichoic acid
C. endotoxin
D. peptidoglycan
A

C

10
Q
calculus is detrimental to the gingival tissues because it is \_\_\_
A. a mechanical irritant
B. covered with bacterial plaque
C. composed of calcium and phosphorus
D. locked into surface irregularities
A

B

11
Q
restoration margins are plaque-retentive and produce the most inflammation when they are located \_\_\_
A. supragingival
B. subgingival
C. at the level of the gingival margin
D. on buccal surfaces of teeth
A

B

12
Q
select from the following list 3 cell types that are part of the innate immune system:
A. T cells
B. B cells
C. neutrophils
D. dendritic cells
E. plasma cells
F. monocytes/macrophages
G. mast cells
A

C, D, F, G

13
Q
which of the following are antigen-presenting cells?
A. neutrophils
B. T lymphocytes
C. macrophages
D. plasma cells
A

C

14
Q
which of the following are the most important proteinases involved in destruction of the periodontal tissues?
A. hyaluronidase
B. matrix metalloproteinases
C. glucuronidase
D. serine proteinases
A

B

15
Q
the predominant inflammatory cells in the periodontal pockets are \_\_\_
A. lymphocytes
B. plasma cells
C. neutrophils
D. macrophages
A

C

16
Q
which of the following are part of preliminary phase therapy?
1. treatment of emergencies
2. extraction of hopeless teeth
3. plaque control
4. removal of calculus
A. 1, 2, and 3
B. 2, 3, and 4
C. 1 and 2 only
D. 2 and 4 only
A

C

17
Q
polymorphisms in which of the following genes have been associated with severe chronic periodontitis?
A. IL-6
B. IL-1
C. TNF
D. PGE2
A

B

18
Q

given the same amount of attachment loss and 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.
A. both statements are true
B. both statements are false
C. the first statement is true, the second is false
D. the first statement is false, the second is true

A

D

19
Q
which of the following is MOST important in determining the prognosis for a tooth?
A. probing pocket depth
B. bleeding on probing
C. clinical attachment level
D. level of alveolar bone
A

C

20
Q
when treating diabetic patients, the most common problems in the dental chair are usually associated with \_\_\_
A. hyperglycemia
B. hypoglycemia
C. insulin deficiency
D. insulin resistance
A

B

21
Q
offset angulation is a characteristic feature of \_\_\_
A. sickle scalers
B. universal curettes
C. area-specific curettes
D. chisels
A

C

22
Q
patients with which of the following should NOT be treated with ultrasonic instruments?
A. deep periodontal pockets
B. edematous tissue
C. infectious diseases
D. controlled diabetes
A

C

23
Q
order the following types of cells by their ability to populate a wound area during the healing process from FASTEST to SLOWEST:
1. PDL cells
2. epithelial cells
3. gingival connective tissue
4. bone marrow cells
A. 1, 2, 4, 3
B. 2, 3, 1, 4
C. 3, 2, 1, 4
D. 1, 3, 4, 2
A

B

24
Q
what is the MOST important procedure to perform during the initial postoperative visits after periodontal surgery?
A. plaque removal
B. visual assessment of the soft tissue
C. periodontal probing
D. bleeding index
A

A

25
Q
when performing a laterally repositioned flap, which of the following must be considered relative to the donor site?
A. presence of bone on the facial
B. width of attached gingiva
C. thickness of attached gingiva
D. all of the above
A

D

26
Q
during preparation of implant osteotomy ("drilling" for an implant), the critical temperature that should not be exceeded is \_\_\_ at an exposure time of 1 minute
A. 37*C
B. 47*C
C. 57*C
D. 67*C
A

B

27
Q
which class of bony defect responds best to regenerative therapy?
A. one-walled
B. two-walled
C. three-walled
D. shallow crater
A

C

28
Q
guided tissue regeneration is a method for preventing \_\_\_ in a healing surgical site
A. plaque accumulation
B. cementum deposition
C. epithelial migration
D. clot formation
A

C

29
Q
the most common clinical sign of occlusal trauma is \_\_\_
A. tooth migration
B. tooth abrasion
C. tooth mobility
D. tooth attrition
A

C

30
Q
for most patients affected with periodontitis, what is the recommended interval for maintenance appointments?
A. 1 month
B. 3 months
C. 6 months
D. 1 year
A

B

31
Q
the minimal mesiodistal space required for the placement of two standard-diameter implants (4.0mm diameter) between teeth is \_\_\_mm
A. 4
B. 10
C. 14
D. 18
A

C