[Ellie May]

It could have been trauma, but it also could be periodontal problems. It would be best to let the vet take a look. He may or may not need the other one pulled. My girl had to have nine teeth pulled at age five. Brush daily if possible (and at least 3-4 times a week). Feeding hard food to prevent dental disease is considered a myth by some and dental chews don't always do what you want them to do...