title: Aging horses by examining the teeth--a centuries-old inexact science. Special report.
mesh_terms: D000366:Age Determination by Teeth / Q000379:methods / Q000662:veterinary*; D000818:Animals; D003813:Dentistry / Q000662:veterinary*; D049672:History, 19th Century; D049673:History, 20th Century; D006736:Horses / Q000502:physiology*; D014730:Veterinary Medicine / Q000266:history