From time to time it appears like he has severe trembling around his mouth and his teeth chatter together but it seems to last only seconds and happens infrequently. A few months ago he had another problem (limping on back leg) and our vet ... Behavior changes in older dogs- protecting food - canine cognitive dysfunction ;
www.vetinfo.com/dcognitivedysfunction.html
Focal: Tahoe's mouth snaps open and closed repeatedly, teeth chattering, and snarls up his snout. He has had these after a grand mal for about 20 minutes. But have noted he doesn't do this so much now.
www.canine-epilepsy-guardian-angels.com/partial_focal.h... www.canine-epilepsy-guardian-angels.com/partial_focal.htm
The chattering teeth is something my guy developed at an advanced age. ... and I thought about those, but what do I know about Canine jaws? ...
www.oes.org/page2/6617~Clicking_jaw_when_5_month_old_op... www.oes.org/page2/6617~Clicking_jaw_when_5_month_old_opens_his_jaw_wide.html
A canine behavior all furniture owners dread and hate is chewing. ... Another feline action we don’t always understand is the teeth chattering that occurs when birds or squirrels are present. This noise may is likely an instinct from when all cats were undomesticated. Animal behavior experts claim the teeth chattering...
www.buzzle.com/editorials/7-13-2005-73091.asp
While pawing at their mouths, they may also demonstrate abnormal manipulations of the mouth (i.e., widely opening the mouth, "chattering" of the teeth, and tilting of the mouth to one side. ... The tooth that most frequently causes oronasal fistulations is the maxillary canine tooth. This tooth frequently has deep...
www.vin.com/VINDBPub/SearchPB/Proceedings/PR05000/PR004... www.vin.com/VINDBPub/SearchPB/Proceedings/PR05000/PR00480.htm
teeth grinding or chattering ... Gently brush up from the lower canine teeth and down from the upper teeth, using lots of praise. Brush only a few teeth the first few times, and gradually increase the number of teeth you brush. Slowly make your way to the molars at the back of your dog’s mouth.
www.doggiemanners.com/art_dog_dental.html
According to "Dog Owner's Home Veterinary Handbook" (Debra M. Eldredge, et al, 2007), sudden, inexplicable, short bouts of teeth chattering could be a sign of focal motor seizures, also called partial seizures. The dog stays conscious and only has one part of the body go into spasms, such as the lower jaw. ... Canine Dentistry...
www.ehow.com/about_5272522_teeth-chattering-dogs.html www.ehow.com/about_5272522_teeth-chattering-dogs.html
Well I can certainly say I know exactly what you mean by the urine sniffing and teeth chattering from that as my 6 year old male has done that for many years.  But my bitch has never done it and my male never in this way before and it is very different from the urine sniffing teeth chattering - if you get my meaning.
www.champdogsforum.co.uk/board/topic/58439.html
His eyes are worried and he's shaking, panting, his paws are wet and sometimes his teeth chatter. It happens almost the same time each day when it does happen. It goes away within 15 hour with medication or an hour ... Re: Dog wakes up panting, sweating, shaking, teeth chattering vet tech 21:57:09 09/21/06 (0)
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Posted by ShepardOwner (167.181.12.201) on May 01, 2006 at 08:37:25: In Reply to: Dog wakes up panting, sweating, shaking, teeth chattering posted by Kate on April 30, 2006 at 18:39:44: Please talk to your vet, it sounds like he is having seizures and they are frequent enough to consult the vet.
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