Term
Lactobacillus is part of the normal flora in what organs? |
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Definition
1. mouth
2. GI tract
3. female genital tract |
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Term
Infections due to lactobacillus are _______ .(common or rare) |
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Definition
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Term
How is lactobacillus found in dentistry? |
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Definition
found in
1. smooth surface caries
2. carious lesions that have progressed into the dentin
3. root caries |
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Term
What are the common species of lactobacillus found in the oral cavity? |
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Definition
L. acidophilus and L. casei |
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Term
Morphology of Lactobacillus: |
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Definition
1. Gram +
2. long chaining rods, coccobacilli, and spiral forms |
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Term
What is the form of metabolism used by lactobacillus? |
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Definition
facultative anaerobe--produces lactic acid from sucrose |
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Term
True or false: lactobacillus is acidogenic. |
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Definition
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Term
What is the optimal pH for lactobacillus |
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Definition
optimal pH is 3.5-4.5 (aciduric) |
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Term
Lactobacillus are important ______ agents in dental caries |
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Definition
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Term
When do lactobacillus begin to form in dental caries? |
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Definition
They are secondary agents following blooms of Streptococcus mutans |
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Term
What are the clinical manifestations (other than in dentistry) for lactobacillus? |
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Definition
1. bacteremia
2. endocarditis (not commonly) |
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Term
Where do lactobacillus usually originate from in the body? |
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Definition
genitourinary tract and orally |
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