The gut-mouth axis: how your mouth talks to your gut
Do You Know? For patients.
The mouth hosts one of the most diverse communities of bacteria in the body, second only to the gut. Researchers are now studying how the two are connected.
What research suggests
We swallow large amounts of saliva every day, and some oral bacteria can reach and settle in the gut.
Some oral bacteria have been found in higher numbers in people with certain gut conditions, such as inflammatory bowel disease.
Much of this research is recent and comes from laboratory and observational studies. It shows a connection, not yet a clear cause.
What makes sense now
Keep gums healthy with daily cleaning and regular check-ups.
Limit frequent sugar, which feeds harmful bacteria.
Avoid using mouthwashes as a substitute for brushing and cleaning between teeth.
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This article is general information and not a substitute for an examination.
Reference
Kitamoto S, et al. The bacterial connection between the oral cavity and the gut diseases. J Dent Res. 2020;99(9):1021-1029. doi:10.1177/0022034520924633
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