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  • Title: Cariogenicity of human oral lactobacilli in hamsters.
    Author: Fitzgerald RJ, Fitzgerald DB, Adams BO, Duany LF.
    Journal: J Dent Res; 1980 May; 59(5):832-7. PubMed ID: 6767764.
    Abstract:
    Of 50 strains of lactobacilli isolated from dental plaque of school children, two strains, provisionally identified as Lactobacillus salivarius, and one strain, provisionally identified as Lactobacillus fermentum, induced significant caries activity in conventional hamsters. Sucrose was a required dietary cariogenic substrate and could not be replaced with glucose or starch. In contrast to cariogenic strains of Streptococcus mutans the active lactobacilli did not form adherent sucrose-mediated plaques in vitro, did not form intracellular iodophilic polysaccharides and did not form detectable insoluble extracellular polyglucans.
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