‘Ancient humans’ used toothpicks
“Tooth pick markings are not uncommon in fossil hominids from this time period…”
See full article on BBC News
It was surprising to find, as described in this article, that ancient human ancestors, the Georgian hominids, who lived about 1.77 million years ago, used tooth picks. They were probably made from sticks or bone of course. So that habit of using a toothpick has been around a long time!
Dr. Rodney D. Chowning, DDS, Sedation Dentist, Denton, TX