Tyrannosaurus rex dinosaurs chomped through bone by keeping a joint in their lower jaw steady like an alligator, rather than flexible like a snake, according to a study being presented at the American ...

BUFFALO, N.Y. — Chewing: We don’t think about it, we just do it. But biologists don’t know a lot about how chewing behavior leaves telltale signs on the underlying bones. To find out, researchers at ...

The arrangement of the bones that form the joint (the articulation) between the lower jaw and the skull is a key hallmark of vertebrates. Their configuration has long been used to draw a line in the ...

It may take more than a skin-tightening facelift to restore a youthful look. Significant changes in facial bones -- particularly the jaw bone -- occur as people get older and contribute to an aging ...

Osteonecrosis of the jaw is a condition where part of the jaw bone becomes exposed through the gums. This rare but potentially serious condition may happen after some oral surgery, like tooth removal, ...