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9 Cards in this Set

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E. coli can synthesize vit K in the large intestine. TRUE/FALSE
True.
Salivary glands, gall bladder, liver and pancreas are free of microorganisms. TRUE/FALSE
True.
What are the 2 major oral alpha hemolytic streptococci that cause dental caries?
Strep. mutans
Strep. sobrinus
In the presence of sucrose and other carbohydrates, S. sobrinus and mutans produce what?
Sticky polymers of glucose called fructans and glucans. These serve as microbial adhesives.
Fluoride can encourage the remineralization of teeth that have begun the demineralization process. TRUE/FALSE
TRUE.
Fluoride can encourage the remineralization of teeth that have begun the demineralization process. TRUE/FALSE
TRUE.
When does the periodontal breakdown process actually begin?
When the polymicrobial biofilms consist of the right combination of bacteria, such as the anerobes Tannarella forsythus, Actinobacillus actinomycetemcomitans, Porphyromanas gingivalis.
What is gingival microbial succession?
This refers to the order in which microbes become part of the biofilm.
What is NUG and NUP?
Necrotizing ulcerative gingivitis and necrotizing ulcerative periodontitis. These are synergistic infections involving Treponema vincentii, prevotella intermedia, and Fusobacterium species.