CONCEPT- EPIDIOMOLOGY

Question 1

Brings back the architecture and function

Answer 1

Regeneration

Question 2

Scar tissue formation, tooth will be mobile

Answer 2

Repair

Question 3

Treatment for periodontitis and the junctional epithelium will be longer.

Answer 3

Root planing

Question 4

A concept that is all gingivitis becomes periodontitis. Aka CONTINOUS DISEASE PROCESS

Answer 4

Classic model

Question 5

Acc to russel, loe and lindhe, how many mm normally loss of attachment

Answer 5

0.1mm per yr

Question 6

Not all gingivitis progress to periodontits, there individuals that are not progress periodontitis even though without therapy

Answer 6

Moskow 1978

Question 7

What are the 6 sites usually done by probing by Goodson Et Al?

Answer 7

Distobuccal
Midbuccal
Mesiobuccal
Mesiolingual
Midlingual
Distolingual

Question 8

It founds out that only 5% of 1115 sites showed attachment loss. Not all site exhibit attachment loss.

Answer 8

Goodson et al 1982

Question 9

Only 2.8% of 3414 sites with significant attachment loss

Answer 9

Haffajee et al 1983

Question 10

Who are the researchers contradicts the classic model

Answer 10

Goodson et al
Haffajee
Socransky
Lindhe

Question 11

Reason why dispute the classical model

Answer 11

Sites with periodontal destruction are brought under control by unknown mechanism

Question 12

Destruction is based on random time not on site. Aka episodic burst model

Answer 12

Random burst model

Question 13

Destruction will burst at diff time and diff sites

Answer 13

Asynchronous multiple burst model

Question 14

Some sites are inactive, but we should do root planing to prevent future burst

Answer 14

Treatment implication

Question 15

Microbial composition of healthy gingiva

Answer 15

More gram + bacteria

Question 16

What are the microbes mostly gram +

Answer 16

Streptococci and actinomyces

Question 17

Composition associated with gingivitis

Answer 17

More gram - bacteria

Question 18

Composition associated with periodontits

Answer 18

Several bacteria, usually gram - bacteria and increase the total microbial load

Question 19

Give 3 criteria of periodontal pathogen

Answer 19

Be eliminated or decreased in sites
Demonstrate a host response
Demonstrate virulence

Question 20

What are the 3 most common pathogen

Answer 20

Porphyromonas gingivalis

Actinobacillus actinomycetemcomitans or AGGRETIBACTER ACTINOMYCETEMCOMITANS

Bacteriodes forsythus or TANNERALLA FORSYTHIA

Question 21

Mechanisms of periodontal pathogens

Answer 21

Colonize up to sub gingival area
Multiply
Can kill leukocytes

Question 22

Ability of btwo genetically distinct bacteria to recognize and adhere to one another

Answer 22

Coaggregation

Question 23

It damage the tissue cells

Answer 23

Direct pathway

Question 24

Induce the host to produce substances

Answer 24

Indirect pathway

Question 25

It breaks down the sugar

Answer 25

Saccharolytic

Question 26

It needs CO2

Answer 26

Capnophilic

Question 27

It kills the leukocytes such as WBC, macrophage

Answer 27

Leokotoxin

Question 28

It induce the bone resorption in actinobacillus actinomycetemcomitans

Answer 28

GRO-EL

Question 29

Produces susbtances to destroy the host tissue

Answer 29

Lipopolysaccharides

Question 30

Inhibits the s. Sanguis

Answer 30

Bacteriocin

Question 31

What is the drug of choice in aggregatibacter actinomycetemcomitans

Answer 31

Metrodinazole and tetratcycline

Question 32

Can’t break down carbohydrates for energy

Answer 32

Asaccharolytic

Question 33

It reduces the inflammation

Answer 33

Gingipains

Question 34

Cell to cell communication in immune response

Answer 34

Cytokines

Question 35

Another name for bacteriodes forsythus

Answer 35

Tannarella forsythia

Question 36

This microbe is elevated on the ANUG periodontitis or acute necrotic ulcerative gingivitis

Answer 36

Prevotella intermedia

Question 37

It induces cytokine,elastase and oxygen radical release from leukocytes

Answer 37

Fusobacterium nucleatum

Question 38

Capable of stimulating human gingival fibroblast to produce IL-6 and IL-8

Answer 38

CAMPYLOBACTER RECTUS

Question 39

It induce bone resorption in campylobacter rectus

Answer 39

Interleukin 6

Question 40

Has a distinct specificity for neutrophils

Answer 40

Inteleukin 8

Question 41

Recognized as pathogen

Answer 41

Eikenella corrodens

Question 42

Higher numbers at sites of periodontal destruction

Answer 42

Peptostreptococcus micros

Question 43

With tumbling motility and a tuft of flagella

Answer 43

Selemonas species

Question 44

Has limited evidence to periodontitis

Answer 44

Eubacterium species

Question 45

Highly motile microorganism

Answer 45

Spirochetes

Question 46

Study of distribution of a disease or a physiologic condition in human population

Answer 46

Epidemiology

Question 47

Aim of epidemiology

Answer 47

Prevention of disease Maintenance of health

Question 48

3 uses of epidemiology

Answer 48

It can identify and measure the importance of health problems It is essential for disease surveillance and control Key instrument of in the formulation of health policies

Question 49

Characterize disease occurence and describes the phenomenon

Answer 49

Descriptive studies

Question 50

Simply observes and uses cross sectional studies and cohort studies

Answer 50

Observational studies

Question 51

Development of new hypothesis and uses the clinical trials and community trials

Answer 51

Experimental studies or intervention

Question 52

Used mainly for patient education to reinforce the patient’s oral hygiene

Answer 52

Disclosing solution