A discovery of multiple toothpick grooves on teeth and signs of other manipulations by a Neanderthal of 130,000 years ago are evidence of a kind of prehistoric dentistry, according to a new study researcher. A discovery of multiple toothpick grooves on … Powered by WPeMatico

from https://www.sciencedaily.com/releases/2017/06/170628131510.htm

From https://dentalentrepreneur.tumblr.com/post/162457961972

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