The mandible and maxilla are the first and second largest bones of the face respectively.
The maxilla forms the upper jaw and share in the formation of the floor of the nose and orbit as well as the roof of the mouth.
The mandible forms the lower jaw and articulate with the temporal bone to form the temporomandibular joint (TMJ).
This 3D model was created from the file STS_044. The source CT scan used to create this model can be found here.