Evidence supporting the use of: Bifidobacterium longum
For the health condition: Gingivitis

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Bifidobacterium longum is a probiotic bacterium that has gained attention for its potential oral health benefits, including the management of gingivitis—a common form of gum inflammation. There is emerging but limited scientific evidence supporting its use for this condition. Several small-scale randomized controlled trials and in vitro studies have demonstrated that certain probiotic strains, including B. longum, may help reduce markers of inflammation, decrease the presence of pathogenic bacteria associated with gingivitis, and support overall oral microbiome balance. The proposed mechanism involves competitive inhibition of pathogenic bacteria, modulation of immune responses, and the production of metabolites that may suppress inflammation-causing microbes.

However, most studies examining B. longum’s effect on gingivitis are preliminary, often involving small sample sizes or short durations, and sometimes using combinations of probiotic strains rather than B. longum alone. For instance, some clinical trials have shown minor reductions in gingival inflammation and bleeding after the administration of probiotics containing B. longum, but the clinical significance and reproducibility of these findings remain uncertain. As a result, while there is some scientific validation for the use of B. longum in gingivitis, the evidence is not robust or conclusive. More rigorous, large-scale clinical trials are needed to better define its efficacy and optimal usage.

More about Bifidobacterium longum
More about Gingivitis

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balsam
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black nightshade
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black seed
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blackboard tree
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commiphora
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