so that's how brushing (your teeth) works...
Thanks to Daniel James Devine in World for this hygienic gem...
You already know brushing your gums is good for them, but the reason why may come as a surprise—even to your dentist. New findings in the Journal of Dental Research indicate even mild brushing rips open the cells lining the gums and tongue, called epithelial cells. The stress not only initiates a repair response to heal the cell damage, but triggers the growth of new cells, collagen, and blood vessels, maintaining firm and healthy tissue. The researchers think that brushing, besides removing bacteria and food, provides a rigorous workout that keeps gums in shape.
OK, now if someone can tell me why I should floss...
Hey, this reminds me of an old joke: What has 40 legs and 173 teeth?
The front row at a Willie Nelson concert! Sorry about that... ;-)
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