Teeth Grinding a Sign of Discomfort
Updated: Thursday, May 10, 2001 10:07 AM
Posted: Tuesday, September 26, 2000 9:34 AM
Teeth grinding is one of those things that is difficult to describe, but you know it when you hear it, writes Dr. Sue McDonnell, founding head of the equine behavior program at the University of Pennsylvania, in the October edition of The Horse. The sound is quite unique, a muffled rhythmic grinding, louder than the loudest gut sounds. And if you look closely, you can see the horse's jaws moving in sync with the sound.
Teeth grinding is almost always associated with physical pain or discomfort, probably of a fairly high degree. Teeth grinding can be associated with pain of various origins, but is fairly common with gastrointestinal pain (bellyache).
It has been suggested that teeth grinding can result from psychological or social stress in horses. If it does, it is likely fairly uncommon in otherwise healthy, pain-free horses. So, whenever teeth grinding occurs, you should probably look long and hard for physical pain and mention it to the vet.
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