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- Specific activities of lactate dehydrogenase (LDH)
- and its fructose, 1,6-bisphosphate (FBP) dependency
- in the small amount of plaque formed on deciduous
- teeth were determined and compared between those
- from carious lesions and from sound surfaces.
- Although the caries-associated plaque showed a
- higher production of lactic acid than the plaque
- formed on sound surfaces, it occurred only when
- sufficient FBP was present. The proportion of
- activity of FBP-dependent LDH relative to that of
- total LDH varied much more in the caries-associated
- plaque than in the plaque formed on sound surfaces.
- Hence, the varying activity of FBP-dependent LDH
- might be a distinguishing feature of caries-
- associated plaque compared with plaque formed on
- sound surfaces.
-