The skull has a top jaw, and a bottom jaw, with teeth in them.

Other forms of headgear treat reverse overjets, in which the top jaw is not forward enough.

They wired the top jaw to the bottom one in the closed mouth position so I was unable to talk.

This had a doglike nose, beady black eyes, and a top jaw.

Agustin's smile shows a shattered top jaw, front teeth victims of a soccer game.

The eyes are large and there is usually a single pair of elongated teeth in the middle of the top jaw.

Even if he only had his top jaw left intact.

The keeltail needlefish's top jaw is also smaller than the lower one.

His top jaw (now broken) has been mounted as a hunting trophy by the real Morbius to show what he did on the "hunt".

Also, depending on the amount of correction, it may result in surgical separation of the top jaw.