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18 Cards in this Set
- Front
- Back
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_______ is an infectious, transmissible disease caused by an ecological imbalance resulting fro an acidic biofilm environment caused by bacterial carbohydrate metabolism.
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Dental caries
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Diet is a major factor in the development of dental caries. In this sense, caries is a "_______" disease.
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dieto-infectious
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_______ or germ-free animals do not develop dental caries.
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Gnotobiotic
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_______-fed animals do not develop caries, unless cariogenic substrates are provided orally.
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Tube
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Dental caries is a _______ disease.
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multi-factorial
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In the _______ hypothesis, a very limited number of species are involved in disease.
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specific plaque
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In the _______ hypothesis, disease results from interactions among all of the component species.
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non-specific plaque
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In the _______ hypothesis, disease results from shifts in the balance of the resident plaque microflora. Cariogenic bacteria can be present in health, but at levels that are not clinically relevant.
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ecological plaque
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A cariogenic microflora is enriched with organisms that are both highly _______ (produce copious amounts of acids, especially low pKa acids) and _______ (able to survive in acidic environments and able to continue to grow and produce acid even at low pH values).
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acidogenic acid uric |
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A cariogenic microflora is generally rich in _______, _______, and aciduric _______.
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Streptococcus mutans Lactobacillus non-mutans Streptococci |
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The _______ demonstrates the relationship between sugar exposure resulting in the acidification of dental plaque and caries.
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Stephen curve
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Biofilm development involves _______ to receptors on the teeth.
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adhesion
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Organisms must _______ in sufficient numbers to produce meaningful damage to host tissues.
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accumulate
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_______ is the ability of the organism to generate acid from fermentable carbohydrates.
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Acidogenesis
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_______ refers to the organisms ability to grow and metabolize in acidic environments.
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Acidurance
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Mutans streptococci are separated intro serological groups: serotypes c, e, f, and k are _______ while serotypes d and g are _______.
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S. mutans S. sobrinus |
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_______ is more frequently isolated from carious lesions than _______.
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S. mutans S. sobrinus |
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A number of studies suggest that _______ may be more cariogenic and is more frequently associated with smooth surface caries.
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S. sobrinus
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