Oral Bugs Flashcards
Which strep bugs are part of the natural flora of the mouth?
S. sanguini
S. mitis
Proteobacteria, Firmicutes, Actinobacteria, and Bacteroidetes are residents of what area of the GI tract?
Upper GI tract
What organisms cause dental caries?
S. viridans
S. mutans
S. sobrinus
Virulence factors involved in dental caries?
AgI/II = adhesion
Extracellular Glucosyltransferase = Converts sucrose to glucans
Acid production
Two types of periodontal disease?
Gingivitis - Gum inflammation
Periodontitis - underlying bone infection
What mechanism of disease is responsible for peridontal disease?
Normal host immune response destroying tissue
TX for gingivitis?
Good Prevention = reverse symptoms
TX for peridontitis?
Scaling,
topical ABX,
Surgery or grafts
Organism that cause periodontal disease? How detect?
Gram (-), look at ratio of bugs.
P. ginigivalis can be cultured
Aggreg—— level determines severity
Scrape-able whiteness on tongue?
Candida albicans (Yeast-like)
Who gets thrush?
Immunocompromised
Non-scrapable whiteness in mouth?
Hairy leukoplakia
Viral hairy leukoplakia cause?
EBV (dsDNA, linea enveloped)
Who gets viral hairy leukoplakia?
HIV pts
Gram + cocci, catalase -, optochin sensitve cause of white in the back of the oral cavity?
S. pyogenes (Strep throat)
