When I grew up in rural Georgia and there were places with no electricity, phones, or plumbing, I observed the following. People would walk by a bush, elderberry I think, and break off a twig and start scrubbing their teeth and gums with it. I was told at the time that certain twigs were better for toothbrushes than others. Also people brushed their teeth with salt and/or baking soda. Some of the people I knew were in their 90's and still had their teeth. Of course, it might have been just genetics. But my point is, that aren't we making this too difficult?
Offered by Terry.