Narrator Tip number one to keeping your dog's teeth clean and healthy: Let him chew. But not on just anything. First, make sure it's safe. No sticks, no rocks, and be careful about bones.

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 ...

Teeth a and b on the diagram show the herbivore's teeth. Carnivores have teeth which are shaped to slice and rip the meat they eat. Teeth c and d on the diagram show the carnivore's teeth.