Why does my dog’s mouth quiver?
A dogs jaw will quiver for a plethora of reasons. He can be excited to see you, smell or taste something, or be warding off a possible threat. He can be struggling with anxiety or oral pain. He could also have one of several disorders which cause quivering and tremors throughout his body.
Why are my dogs teeth suddenly chattering?
Teeth chattering, along with excessive bleeding or drooling, may indicate an early stage of periodontitis. Dental disease. Chattering may be a sign of severe tooth decay or an abscessed tooth. Chattering could be your dogs way of easing the pain.