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 ...

The models, scaled to identical surface areas ... saber teeth provide a window into the complex trade-offs of evolution. Canine teeth must be sharp and slender enough to puncture prey but also ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...

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.