UNKNOWN
Okay, well, that doesn't actually show a fracture, what that actually shows is lots of captured data by the laser scanner, which it does this in virtually every image that we produce, the top of the head has an area where the ...(indistinct) on all our scans.  The reason for that is because the laser light basically glances off the top of the head and you don't get a proper image capture in this area, but because we are dealing with faces, this is an area which is of, basically of little importance to us and we're concentrating further down on the face.  This isn't in fact a fracture, this is in fact just an artefact really.