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MCQ TESTS
Saliva
Composition
Gingival fluid
Gland histology
Gland development
Salivary proteins
Salivary gland
Saliva secretion
Gland abnormalities
Saliva flow
Critical pH
Saliva & oral flora
Tooth pellicle
Critical pH
The Critical pH:
True
False
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a depends on the amount of calcium in saliva
b is about pH 5.5
c varies with the saliva bicarbonate concentration
d is the pH at which calculus formation is initiated
e is the highest pH at which there is a net loss of mineral from the teeth
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