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Oral microbiology
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Supragingival plaque
Subgingival plaque
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Plaque physiology
Plaque fluid
Mutans streptococci
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Plaque fluid
With regard to plaque fluid which of the following are true and which are false?
True
False
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a
plaque fluid contains a higher concentration of calcium than saliva
b
calcium activity in plaque fluid increases as the pH falls
c
plaque fluid is a stationary compartment at the tooth-plaque interface
d
during a cariogenic challenge the concentration of H
2
PO
4
in plaque fluid falls
e
during a cariogenic challenge the ionic product of calcium phosphate in plaque fluid increases
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