Abstract
Emerging evidence suggests that, along with dietary, genetic and environmental factors, gut microbiota plays a role in the progress of colorectal cancer. Dysbiosis of oral flora in patients with periodontitis affects the composition of microbial community in the gut, impairs gut barrier function, and induces a proinflammatory microenvironment, all of which contribute to the progression of colorectal cancer. In view of the influences by microbiota dysbiosis, this article reviews the role of periodontitis in affecting the occurrence and development of colorectal cancer.
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