Flat circular file grinds down the sharp edges for a smooth chewing surface. (horse is Mia) What looks to be fog or smoke is the very fine teeth fragments being filed.
Honorable Mention in 105th Show & Tell Competition: What's happening? http://form.pbase.com/viewtopic.php?f=9&t=39602
from Equine Dentistry Gallery
All Images © Flo Hendry. All Rights Reserved