Researchers Find Evidence of Neanderthal Dentistry (video) University of Kansas Share Print E-Mail Loading video... Caption David Frayer, professor emeritus of Anthropology at the University of Kansas, discusses a recent study he led that analyzed toothpick grooves and other signs of manipulation to four teeth recovered from the Neanderthal site of Krapina in Croatia. The analysis provides evidence of prehistoric dentistry to address tooth pain that took place 130,000 years ago. Credit University of Kansas News Service Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.