"If you could do it two to three times a week," she suggests. "Plaque sits on the teeth and turns to calculus after about ...

Dogs have some of the most evolved teeth in the animal kingdom, to help them eat, groom, and defend themselves. But how does the number of teeth a dog have compare to the number that humans have?

To brush your dog's teeth, they need to be comfortable with you messing with their mouth. It's best to start this when they are a young puppy. The process is desensitizing them to you touching and ...

A stock image of a Chihuahua having its teeth brushed. Charles Wollertz/Getty Images According to VCA Animal Hospitals, owners should brush their dog's teeth at least three times a week.

3 months has passed and all my animals have shown an increase in healthy teeth and gums. The first year that none of my pets required a dental. I still do regular brushing of the dogs teeth, but ...