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Updated: Jan 19, 2026
Inflammatory Bowel Disease II: Crohn's Disease
[Oral microbiota and inflammatory bowel disease]
Hao-Nan Zhang1, Xue-Dong Zhou1, Xin Xu1
1State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
Oral bacteria may contribute to inflammatory bowel disease (IBD), a chronic gastrointestinal condition. This review explores the link between oral microbiota and IBD development in susceptible individuals.
Area of Science:
- Gastroenterology and Microbiology
- Focuses on the interplay between the oral microbiome and gastrointestinal health.
Background:
- Inflammatory bowel disease (IBD) is a chronic gastrointestinal condition with significant morbidity and limited treatment options.
- IBD pathogenesis involves complex interactions between genetics, environment, and gut microbiota.
- Oral manifestations and high prevalence of oral bacteria in IBD patients suggest a potential role for oral microbiota.
Purpose of the Study:
- To review the current understanding of the relationship between oral microbiota and Inflammatory Bowel Disease (IBD).
- To highlight the potential impact of oral bacteria on IBD development and progression.
Main Methods:
- Literature review of studies investigating oral microbiota in IBD patients.
- Analysis of research on oral manifestations and bacterial detection rates in IBD populations.
Main Results:
- Evidence suggests a correlation between specific oral bacteria and the presence or severity of IBD.
- Oral microbiota alterations are frequently observed in individuals with IBD.
Conclusions:
- The oral microbiome is a potential factor in the etiology or exacerbation of IBD.
- Further research into oral microbiota modulation could offer novel therapeutic strategies for IBD.
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