Cell damage caused by brushing may help keep gums healthy

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Microscopic images of wounded epithelial cells in the gum and resulting expression of the c-fos gene (in red). Credit: Medical College of Geogia
Microscopic images of wounded epithelial cells in the gum and resulting expression of the c-fos gene (in red). Credit: Medical College of Geogia

One way regular brushing may help keep gums firm and pink is, paradoxically, by tearing open cells, researchers have found.


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