Why does my dog grind his teeth when he stretches?

why does my dog grind his teeth after yawning

  Common causes of teeth grinding in dogs From a physical perspective, dogs sometimes grind their teeth because they are experiencing pain, most commonly in their abdomen or mouth. It can also be caused by jaw abnormalities – including misalignment. Is it bad for dogs to grind their teeth? Is Teeth Grinding Harmful? Mild, infrequent teeth … Read more