How does stuff like this get past the editors?
OK, now hold on a minute, you can stop your sniggering: This was long after the Greeks and Romans used to `brush’ about 3500 B.C. by chewing a stick to clean teeth the same way that pet chews clean animals’ teeth .
via From sticks and porcupine quills to nylon three times a day – Connecticut Post.
3500 B.C.? Whiskey. Tango. Foxtrot.