This is a photograph and interpretive drawing of the lower jaw, as well as a complete tooth, of one of the small ornithopods described in the study. Human (in gray) for scale. Disclaimer ...

Had a mechanical engineer designed the human frame, he would no doubt have built the jaws after the fashion of a nut cracker, with the muscles placed at the ends of the jaw levers, and the teeth ...

Experts from the UAB School of Dentistry Department of Orthodontics say their specialty is about creating a healthy bite—straight teeth that properly meet opposing teeth in the opposite jaw.

Cats, like most other carnivores, can only open and close their jaws, whereas herbivores and omnivores can move their jaw from side ... and how the variety in human teeth allows us omnivores ...