Mother Nature's Toothbrush: How to Clean Your Teeth Using Only Natural Tools
Losing a toothbrush for a single day isn't too much of an issue—as long as your teeth are in good condition. However, if for some reason you can't replace that toothbrush for several days, for instance, because you are camping in the wilderness, you can call on Mother Nature. In fact, that's exactly what cave-dwelling prehistoric humans did long before toothbrushes and floss came along. When researcher, Karen Hardy examined the remains of some of the earliest human beings to be found in Europe, she discovered that they used small twigs to clean their teeth.