Abrasions (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Microscopic images of surfaces of guinea pig teeth show the typical abrasions caused by different foods. Credit ill./©: Daniela E. Winkler Usage Restrictions This image may only be used in connection with the press release "Mineral dust ingested with food leaves characteristic wear on herbivore teeth", issued by Johannes Gutenberg University Mainz on August 25, 2020. License Licensed content 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.