Horse Dentist (IMAGE) Max Planck Institute of Geoanthropology Caption Mongolian herder removing first premolar, or 'wolf tooth', from a young horse during the spring roundup using a screwdriver. Credit Photo: Dimitri Staszewski. Taylor et al. 2018. Origins of Equine Dentistry. <i>PNAS</i>. Usage Restrictions This image may only be used in the context of reporting on this publication and with appropriate credit information. 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.