This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fallen man trying to extract tooth.. en man falling back on railroad tracks after unsuccessfully attempting to extract tooth by attaching string to the tooth and apparently railroad car the string is still attached to the tooth as well as to broken piece of the railroad car Courtesy of the National Library of Medicine Images