Why do humans have canine teeth? Patrick McGannon, Surprise, Arizona All primate species have them, says Sabrina Sholts, a curator of physical anthropology at the Museum of Natural History.

They're actually the longest teeth in the human mouth. So what are these long ... those teeth are still pretty amazing because anthropologists use canine size and shape to help track when ...

But how does the number of teeth a dog have compare to the number that humans have? Do dogs have more or less teeth than a human? And do dogs lose their teeth like humans do? These are all valid ...

Human toothpaste can make your dog really sick ... paying most attention to the canines and to the back of your dog's teeth. Don't worry so much about the inside; their tongue will keep that ...

Otter pups resemble human infants in some ways, but how similar are they? Find out just how much baby otters and baby humans ...

And yet, its humerus (an arm bone) is quite human-like. Characteristics of its ... slightly larger than a chimp's brain), smaller canine teeth, and larger molars. The wear of the teeth suggests ...

Vet in the operating room And cause the tooth root to be loose and diseased. Will Draper, DVM Dog's teeth and human teeth are basically the same; dentin, enamel. Ideally, dogs should have their ...

PRESENTER:'Every day, we humans, chomp and chew our way through ... we'd be no good at biting or tearing things into chunks. If we only had canine teeth, we would be well adapted for eating ...

The video above shows this little otter already has canine teeth. Human babies generally do not begin teething until closer to six months, but permanent teeth will eventually replace their baby teeth.