2. Microbiology and Smoking

Question 1

What papillae are present in the tongue

Answer 1

1. Filiform
2. Fungiform
3. Foliate
4. Circumvellate

Question 2

What antibodies in GCF

Answer 2

IgA

IgG

Question 3

What evidence supports the bacterial aetilogy of periodontal disease

Answer 3

1. Clinical Observation
2. Perio Dx in germ free animals
   3, Observation of monoinfected animals
3. Experimental disease in animals and humans
4. Plaque control in humans
5. Epidemiological Studies
6. Pathogenic potential of bacterial plaque

Question 4

Discuss Loe’s work in 1965

Answer 4

Plaque causes gingivitis
14 - 21 days to occur
Resolves with OH

Question 5

Discuss the non specific plaque hypothesis

Answer 5

The bacterial community causes the disease

Question 6

Discuss the specific plaque hypothesis

Answer 6

Certain bacteria cause the disease

Question 7

What is the bacterial flora in health

Answer 7

Gram + non motile streptococci

Question 8

What is the bacterial flora in gingivitis

Answer 8

Gram + rods eg A Viscous

Question 9

What is the bacterial flora in perio dx

Answer 9

Gram Negative
Increasing motility
S Sanguis, F Nucleatum

Question 10

Bacterial Flora in ANUG

Answer 10

Spirochete - T Pallidium

Question 11

Bacterial Flora in ANUP

Answer 11

50% are uncultivable

Question 12

What bacterial flora in abscess

Answer 12

Gram - rods

Question 13

What are the red complex bacteria

Answer 13

1. T Forsythia
2. T Denticola
3. P Gingivalis

Question 14

What are the virulence factor of A Actino

Answer 14

1. Polysaccharide / LDS
2. Leukotoxin
3. Extracellular proteins
4. GroEl heat shock protein
5. Fimbriae
6. Other membrane proteins

Question 15

What are the bacterial flora in T Denticola

Answer 15

1. LPS
2. Flagellum
3. Extracellular Proteolytic Enzyme

Question 16

What are the bacterial flora in T Forsythia

Answer 16

1. LPS

2. Extracellular proteolytic enzymes

Question 17

What are the bacterial flora in P Gingivalis

Answer 17

1. Capsule
2. LPS
3. Fimbriae
4. GroEl heat shock proteins
5. Haemaglutin’s

Question 18

Smoking is a systemic risk factor for what

Answer 18

1. COPD
2. MI
3. Stroke
4. CVD
5. Cancer

Question 19

What study identifies smoking as a risk factor

Answer 19

Grossi

Question 20

How does smoking increase risk for perio dx

Answer 20

Toxins
Immunosuppression
Increased bacterial adhesion
Reduced oxygen tension
Vasoconstriction
Increased cytokines
Reduced fibroblast proliferation

CONFIT BV

Question 21

What effect does smoking have on Non Surgical trt

Answer 21

Increased residual pocket
Less reduction in PD
Reduced wound healing
Less pathogen reduction

Question 22

What effect does smoking have on surgical treatment

Answer 22

Reduces wound healing
Reduces grafting success
Reduced CAL
Reduced PD reduction
Reduced root coverage

Question 23

What effect does smoking have on impl success

Answer 23

No difference

Question 24

What effect does smoking have on maintenance and retreatment

Answer 24

Reduced success
Increased refractory
Graded response

Question 25

What are the 5 A’s of smoking cessation

Answer 25

1. Ask
2. Advise
3. Assist
4. Arrange
5. Assess

Question 26

Why do Koch postulates not apply

Answer 26

Can’t grow some bacteria in media

Question 27

What are Kochs Postulates

Answer 27

1. Organism found in the lesion
2. Must be isolated and grown in culture on artificial media
3. Inoculation causes similar lesions
4. Micro Organism isolated from the lesion

Question 28

What are the alternatives to Kochs postulates

Answer 28

1. Assoc with the disease
2. Elimination of the organism
3. Host Response
4. Animal pathogenicity
5. Mechanism of pathogenicity

Question 29

How does P Ginigvalis cause increased clotting

Answer 29

Proteolytic enzymes produced by P Ging activate prothrombin

Question 30

What does CRP do and why is it important

Answer 30

Binds to damaged cells, fixes compliment and activates neutorphil chemotaxis