Experimental investigation reveals no significant improvement in periodontal health with Bifidobacterium, suggesting further study is needed.
Systemic administration of Bifidobacterium animalis subsp. lactis HN019 or its derived postbiotic resulted in no significant improvements in periodontal outcomes in this experimental model. Further investigations using integrative approaches are needed to better characterize the systemic effects of probiotics and postbiotics.
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TRICOLY et al. (2026) studied this question.
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