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Overabundance and underabundance of bacterial species in caries-active subjects. Using model 2, the biofilm of caries-active subjects was compared to the biofilm of caries-free subjects. Species that are overabundant in the caries-active group relative to the caries-free group are shown in red; species that are underabundant in the caries-active group relative to the caries-free group are shown in green.
