Health
Ways to clean teeth without brush and toothpaste: how beneficial?
Most people use brushes, toothpaste and floss to clean teeth, but many parts of the world do not use them.
Ancient Teeth
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Articles about Ancient Teeth
2 published items.
Archeology
First evidence of artificial pollution was found
Archaeologists claim to have discovered the first evidence of artificial pollution, thanks to plaque on the teeth of an old Stone Age man, 400,000 years ago.