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Flashcards in Oral Bugs Deck (19)
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1
Q

Which strep bugs are part of the natural flora of the mouth?

A

S. sanguini

S. mitis

2
Q

Proteobacteria, Firmicutes, Actinobacteria, and Bacteroidetes are residents of what area of the GI tract?

A

Upper GI tract

3
Q

What organisms cause dental caries?

A

S. viridans
S. mutans
S. sobrinus

4
Q

Virulence factors involved in dental caries?

A

AgI/II = adhesion
Extracellular Glucosyltransferase = Converts sucrose to glucans
Acid production

5
Q

Two types of periodontal disease?

A

Gingivitis - Gum inflammation

Periodontitis - underlying bone infection

6
Q

What mechanism of disease is responsible for peridontal disease?

A

Normal host immune response destroying tissue

7
Q

TX for gingivitis?

A

Good Prevention = reverse symptoms

8
Q

TX for peridontitis?

A

Scaling,
topical ABX,
Surgery or grafts

9
Q

Organism that cause periodontal disease? How detect?

A

Gram (-), look at ratio of bugs.
P. ginigivalis can be cultured
Aggreg—— level determines severity

10
Q

Scrape-able whiteness on tongue?

A

Candida albicans (Yeast-like)

11
Q

Who gets thrush?

A

Immunocompromised

12
Q

Non-scrapable whiteness in mouth?

A

Hairy leukoplakia

13
Q

Viral hairy leukoplakia cause?

A

EBV (dsDNA, linea enveloped)

14
Q

Who gets viral hairy leukoplakia?

A

HIV pts

15
Q

Gram + cocci, catalase -, optochin sensitve cause of white in the back of the oral cavity?

A

S. pyogenes (Strep throat)

16
Q

Redness of chest due to mouth skin infection?

A

Ludwigs angina

17
Q

Causes of Ludwig angina?

A

a-hemolytic staph and strep

18
Q

Gram + bacilli with a big membrane in the throat?

A

Cornybacteria diptheriae (Pseudomembrane)

19
Q

Thrush tx?

A

Clotrimazole + Nystatin swish = 1
Systemic Fluconase = 2
IV amphotercin B = 3