When there’s a mismatch or misalignment between your upper jaw bone (or maxilla) and the lower one (mandible), you have an uneven or crooked jaw. This can arise due to temporomandibular joint (TMJ) ...

Mammals with flexible, motile noses that can “sniff” are in the group Theria (right side of pink dot). As species’ ancestors accumulated more physical and genetic differences (increasingly younger ...

A dental bone graft is a procedure performed to increase the amount of bone in a part of the jaw where bone has been lost or where additional support is needed. Bone may be taken from elsewhere in the ...

Orthognathic surgery is a procedure that lines up your upper and lower jaw. It’s also called corrective jaw surgery. It’s a complex surgery and recovery can be long, but getting it can help you sleep ...

A walrus rostrum (upper jaw bone) with tusks used in the study. It can be dated to c.1200-1400 CE based on the characteristics of a runic inscription in Old Norse. It is from the collections of Musée ...

A fragmentary bone from a Spanish cave is the oldest human face ever found in western Europe. The bones are part of the cheek and upper jaw, and are between 1.1 million and 1.4 million years old. The ...

Malocclusion refers to the misalignment between the upper and lower teeth, impacting the bite and overall oral health. Causes are a mix of genetics, environmental factors, and childhood habits like ...

Cherubism is a rare genetic disorder in which the bones of the lower and sometimes the upper jaw are affected. Instead of bones, you have tissue growths that appear like cysts. Due to this, the cheeks ...

A random selection of lower jaw shapes from among the world's vertebrate animals. All are mammal jaws consisting of a single bone except for those in orange, which are from vertebrates that have lower ...

THE DOCTORS REBUILT A CANCER SURVIVOR’S JAW USING A PIECE OF BONE FROM HIS LEG. COMPLICATIONS FROM RADIATION SURGERY MADE IT DIFFICULT FOR HENRY BORTHWICK TO EAT AND BRUSH HIS TEETH, BUT JUST A MONTH ...