Q: Ava, my 2-year-old dog, was chewing an elk antler when she started licking her lips and grinding her teeth. Later, she ...

Many dogs and cats show signs of dental disease by age 3. Bad breath is the most obvious clue, but here are other signs.

Tooth pain may be caused by conditions like a sinus or mouth infection, or dental issues like a cavity or broken filling.

A: Dogs should never chew hard objects such as elk or deer antlers, dried cows’ hooves, dried pigs’ ears, natural bones, hard ...