ArticleFrontiers in microbiology2025
Oral microbiome changes in subjects with obesity following bariatric surgery compared to lean counterparts.
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Association between oral microbial diversity and periodontitis in a nationally representative U.S. population: A cross-sectional study.Journal of periodontology · 2026Article
- Microbial Shifts After Sleeve Gastrectomy: The Gut-Oral Axis, Periodontal Outcomes, and Competing Oral Risks.Biomedicines · 2026Review
- Reframing glucolipid metabolic disorders through the lens of the oral microbiome: from pathophysiological mechanisms to translational potential.Frontiers in nutrition · 2026Review
- Potential Shifts in the Oral Microbiome Induced by Bariatric Surgery-A Scoping Review.Antibiotics (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: This study aimed to compare oral microbiome profiles between obese and lean individuals without clinical periodontitis, and to assess changes in the oral microbiome of obese subjects following bariatric surgery. Methods: Individuals with a body mass index (BMI) > 30 were enrolled in the obese group, whereas those with a BMI < 23 served as controls. The obese surgery group, which consented to bariatric surgery, was followed up at 1, 3, and 6 months with clinical examinations. Oral examinations were conducted and periodontal disease was classified based on probing results. Saliva, buccal and subgingival microbiome samples were analyzed for community diversity, relative bacterial abundance, and differential abundance between control ( Results: The obese group exhibited distinct alpha diversity (buccal: Chao1 p = 0.0002, Shannon Discussion: The oral microbiome at 6 months post-bariatric surgery indicates a potential shift toward a healthy periodontal state, suggesting that weight loss interventions may positively impact oral microbial communities even in the absence of clinical periodontitis.
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Registered trials
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