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Impact of polyols on Oral microbiome of Estonian schoolchildren.


ABSTRACT: BACKGROUND:Oral microbiome has significant impact on both oral and general health. Polyols have been promoted as sugar substitutes in prevention of oral diseases. We aimed to reveal the effect of candies containing erythritol, xylitol or control (sorbitol) on salivary microbiome. METHODS:Ninety children (11.3?±?0.6?years) consumed candies during 3?years. Microbial communities were profiled using Illumina HiSeq 2000 sequencing and real-time PCR. RESULTS:The dominant phyla in saliva were Firmicutes (39.1%), Proteobacteria (26.1%), Bacteroidetes (14.7%), Actinobacteria (12%) and Fusobacteria (6%). The microbiome of erythritol group significantly differed from that of the other groups. Both erythritol and xylitol reduced the number of observed bacterial phylotypes in comparison to the control group. The relative abundance of the genera Veillonella, Streptococcus and Fusobacterium were higher while that of Bergeyella lower after erythritol intervention when comparing with control. The lowest prevalence of caries-related mutans streptococci corresponded with the lowest clinical caries markers in the erythritol group. CONCLUSIONS:Daily consumption of erythritol, xylitol or control candies has a specific influence on the salivary microbiome composition in schoolchildren. Erythritol is associated with the lowest prevalence of caries-related mutans streptococci and the lowest levels of clinical caries experience. TRIAL REGISTRATION:ClinicalTrials.gov Identifier NCT01062633.

PROVIDER: S-EPMC6471963 | BioStudies |

REPOSITORIES: biostudies

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