Probiotics improve oral health in adolescents

In this study, 101 boys, aged 13 to 15, took two lozenges containing the probiotics Lactobacillus rhamnosus and Bifidobacterium lactis, or two placebo lozenges, per day.

After four weeks, while there was no change in the placebo group, boys taking the probiotic lozenges had significantly lower levels of several bacterial strains in saliva and plaque that are linked to periodontitis, plaque, and gingivitis.

Discussing the findings, doctors said the probiotics improved gingival health and decreased microbial counts, and “may serve as a simple adjunct to standard oral care for promoting oral health in adolescents.”

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