I've never had this problem so I'm not sure what would help. The first thing that came to mind was try getting a rope to that he could play tug of war with. This way he'd get to have his pulling/tugging while he's flossing his teeth. 
__________________ He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion. -- Author Unknown |