question
CARIES BACTERIA-
answer
STREPTOCOCCUS MUTANS
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PERIODONTAL DISEASE BACTERIA-
answer
ACTINOBACILLUS ACTINOMYCETEMCOMITANS (AA)
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Substances that act against or destroy infections
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Anti-infective agents
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Substances that destroy or suppress the growth or multiplication of bacteria
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Antibacterial agents
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Chemical substances produced by microorganisms that have the capacity, in dilute solutions, to destroy or suppress the growth or multiplication of organisms or prevent their action
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Antibiotic agents
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What is the difference among the terms antibiotic, antiinfective, and antibacterial?
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antibiotics are produced by microorganisms, whereas the other agents may be developed in a chemistry laboratory (not from a living organism).
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_________ refers to a substance from any source that inhibits or kills bacteria.
answer
antibacterial
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the term _______ refers to a substance from any source that inhibits or kills organisms that can produce infection, such as bacteria, protozoa, and viruses
answer
antiinfective
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Substances that destroy or suppress the growth or multiplication of microorganisms
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antimicrobial agents
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Substances that destroy or suppress the growth or multiplication of fungi
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antifungal agents
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Substances that destroy or suppress the growth or multiplication of viruses
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Antiviral agents
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The ability to kill bacteria. This effect is irreversible, that is, if the bacteria are removed from contact with the drug, they do not live.
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bactericidal
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The ability to inhibit or retard the multiplication or growth of bacteria. This is a reversible process b/c if the bacteria are removed from contact with the agent, they are able to grow and multiply
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Bacteriostatic
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Whether an antibacterial agent is labeled bactericidal or bacteriostatic depends on variables such as ______
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- the dose used
- organism being treated
- organism being treated
question
name 3 bactericidal agents
answer
1. Penicillins
2. Cephalosporins
3. Aminoglycosides
2. Cephalosporins
3. Aminoglycosides
question
name 3 bacteriostatic agents
answer
1. Sulfonamides
2. Tetracyclines
3. Clindamycin (may be bactericidal against some organisms @ higher blood levels)
2. Tetracyclines
3. Clindamycin (may be bactericidal against some organisms @ higher blood levels)
question
for a localized dental infection, if adequate drainage can be obtained are antiinfective agents indicated?
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no, no unless the pt is immunocompromised
question
in the beginning of an infection, the organisms responsible for a dental infection are primarily _________ (gram +/ gram -) cocci, such as _________ or _________
answer
- gram +
- Streptococcus viridans
B-hemolytic streptococci
- Streptococcus viridans
B-hemolytic streptococci
question
with additional time and no tx, infections progress until it consists of predominantly ________
answer
anaerobic flora
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