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Question 1

Which of the following is not a systemically modified gingivitis?

a. Uncontrolled Diabetes
b. Uncontrolled hypertension
c. Pregnancy

Answer 1

Uncontrolled hypertension

Question 2

Localized chronic periodontitis is associated with _______or less sites affected

a. 30%
b. 50%
c. 75%
d. 40%

Answer 2

30%

Question 3

Which cells of the oral epithelium processes antigens?

a. Melanocytes
b. Keratinocytes
c. Merkel Cells
d. Langerhans Cells

Answer 3

Langerhans Cells

Question 4

In a healthy individual without attachment loss, what occupies the space between the CEJ and
alveolar bone?
a. Connective tissue attachment
b. Structures of the biological width
c. Sulcular epithelium
d. Junctional epithelium

Answer 4

Structures of the biological width

Question 5

The largest group of periodontal ligament fibers is

a. Horizontal
b. Oblique
c. Apical
d. Alveolar crest

Answer 5

Oblique

Question 6

Which of the following is not within a dentists legal responsibility

a. Informing the patient
b. Diagnosing the disease
c. Treating / Referring
d. Maintenance every 3 months

Answer 6

Maintenance every 3 months

Question 7

Which of the following is the greatest reason for adult tooth loss

a. Prosthetic extractions
b. Caries
c. Periodontal disease

Answer 7

Periodontal disease

Question 8

Initial colonizers include all except

a. Streptococcus sanguis
b. Streptococcus intermedia
c. Actinomyeces viscosus
d. P. intermedia

Answer 8

P. intermedia

Question 9

Bacterial metabolic products include all the following except?

a. Lipopolysaccharides
b. Hydrogen peroxide
c. Cytokines?
d. Enzymes
e. Endotoxin

Answer 9

Cytokines???

Question 10

Which is not associated with refractory periodontitis

a. Prophyromonas gingivalis
b. Tannerella forsythia
c. Fusobacterium nucleatum
d. Eikenella corrodens
e. A. viscosus

Answer 10

A. viscosus

Question 11

When does calculus formation begin?

a. 4 hours
b. 48 hours

Answer 11

4 hours

Question 12

All of the following are reasons that calculus is a secondary factor in periodontitis EXCEPT

a. Reservoir for enzymes
b. Physical irritation
c. Non-mineralized layer of plaque surrounded
d. Calculus can cause periodontitis by itself

Answer 12

Calculus can cause periodontitis by itself

Question 13

Which is not a disease progression mechanism?

a. Continuous
b. Intermittent
c. Random Burst
d. Asynchronous Multiple Burst

Answer 13

Intermittent

Question 14

Which of the following helps B cells divide and control leukocyte development

a. CD4+
b. CD8+
c. NK Cells
d. T suppressor cells

Answer 14

CD4+

Question 15

What produces IgG?

a. Plasma cells
b. Macrophages
c. PMNs

Answer 15

Plasma cells

Question 16

What does MMP stand for

Answer 16

Matrix metalloproteases

Question 17

Where are ICAM-1 and ELAM-1 found

a. Endothelial wall
b. Bone
c. Epithelial attachment
d. Connective tissue

Answer 17

Endothelial wall

Question 18

Bleeding on probing is caused by

a. Micro-ulcerations in the pocket epithelium
b. PMNs
c. Macrophage movement

Answer 18

Micro-ulcerations in the pocket epithelium

Question 19

Perivascular loss of collagen is due to

a. PMN diapedesis
b. Macrophage activation
c. Osteoclast

Answer 19

PMN diapedesis

Question 20

Which of the following is not a reason that gingiva will change red

a. Venous stasis
b. Increase capillaries
c. Increase vascular permeability
d. Decrease keratinization

Answer 20

Venous stasis

Question 21

Which initial colonizer can attach with fimbriae

a. Strep mutans
b. Strep sanguis
c. S. sobrinii

Answer 21

Strep sanguis

Question 22

Which person is least likely to have periodontal disease?

a. Female
b. Female smoker
c. Male smoker
d. Males

Answer 22

Female

Question 23

HIV patients

Answer 23

Have normal bacteria in an immunocompromised host

Question 24

Which is the most common type of bone wall defect?

Answer 24

Two wall

Question 25

A 3-wall defect is associated with a

a. Pseudopocket
b. Suprabony pocket
c. Infrabony pocket?

Answer 25

Infrabony pocket???

Question 26

1 mm^3 of plaque contains ______ bacteria

a. 10^12
b. 10^8
c. 10^5

Answer 26

10^8

Question 27

Which is the most superficial layer of the oral epithelium?

a. Stratum corneum
b. followingStratum granulosum
c. Stratum spinosum
d. Stratum basale

Answer 27

Stratum corneum

Question 28

Which bacteria is the most common in diabetes

a. P. gingivalis
b. P. intermedia
c. F. nucleatum

Answer 28

P. gingivalis