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14 Cards in this Set
- Front
- Back
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acute nectrotizing ulcerative gingivitis (ANUG)
AKA |
trench mouth
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Most common type of gingivitis is ______ form induced by _____
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Most common type of gingivitis is chronic form induced by plaque
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Which organisms are associated with dental caries?
Which organisms are associated with gingivitis? What are their virulence factors? How can these infections be prevented? |
Which organisms are associated with dental caries? Viridans
Which organisms are associated with gingivitis? What are their virulence factors? How can these infections be prevented? |
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Viridans strep are ____ tolerant
a) acid b) base |
acid
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Viridans strep Also use sucrose to form sticky _____ polymers
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glucan
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Anaerobic bacteria to flourish gingival crevices leading to gingivitis
P_____streptococci, B_______ sp., Fusobacterium sp |
Anaerobic bacteria to flourish gingival crevices leading to gingivitis
Peptostreptococci, Bacteroides sp., Fusobacterium sp |
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Helicobacter pylori
______-shaped, gram-_______ rods |
Helicobacter pylori
Spiral-shaped, gram-negative rods |
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H. Pylori
Bacterial _____ break down urea into ______- neutralizes gastric acid |
H. Pylori
Bacterial urease break down urea into ammonia- neutralizes gastric acid |
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H. Pylori
Does not invade _______ layer |
H. Pylori
Does not invade epithelial layer |
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H. pylori
Avoids antibacterial properties of stomach Resistant to a___, lysozyme, l_______, defensins |
H. pylori
Avoids antibacterial properties of stomach Resistant to acid, lysozyme, lactoferrin, defensins |
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___ on epithelial cells recognize H. pylori
Cells secrete pro-inflammatory cytokines Leads to infiltration of neutrophils, macrophages, T cells |
TLR on epithelial cells recognize H. pylori
Cells secrete pro-inflammatory cytokines Leads to infiltration of neutrophils, macrophages, T cells |
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What Cytokine
secretion leads to inflammation with damage to gastric epithelium |
TNF, IL-1, IL-8
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Diagnosis of H. pylori
________ is preferred test to diagnose PUD invasive ____ breath test can detect presence of pathogen -Drink (!) C14-labeled urea; broken down into ammonia by bacteria, enters blood, exhaled and measured -Can be used to monitor treatment success F____ antigen testing (Newer test) Serology (Measures anti-H. pylori Ig_) |
Diagnosis of H. pylori
Endoscopy is preferred test to diagnose PUD invasive Urea breath test can detect presence of pathogen Drink (!) C14-labeled urea; broken down into ammonia by bacteria, enters blood, exhaled and measured Can be used to monitor treatment success Fecal antigen testing (Newer test) Serology (Measures anti-H. pylori IgG) |
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Treatment and Control of H. pylori
Treatment Involves treating ulcer and infection Triple therapies O________, a_________ and c__________ B________ subsalicylate, m________, t__________ L__________, a__________ and c_____________ Control Improved hygiene may reduce infection rate in developing countries |
Treatment and Control of H. pylori
Treatment Involves treating ulcer and infection Triple therapies Omeprazole, amoxicillin and clarithromycin Bismuth subsalicylate, metronidazole, tetracycline Lansoprazole, amoxicillin and clarithromycin Control Improved hygiene may reduce infection rate in developing countries |
