You've got atrophy and recession of the maxillary bone.
The second pair of teeth on the maxillary bones were large and fang-like.
They are widest where the premaxillary and maxillary bones meet.
However, since the maxillary bones rotate almost as far, the fangs can still be erected.
The palate is long, extending past the molars and the maxillary bones.
Each of the two fangs is at the front of the mouth on a short maxillary bone that can rotate back and forth.
The maxillary bone contains the other upper teeth.
The long teeth, angled back, emerged from just below the maxillary bone of the upper jaw.
Both have nearly identical vertebrae and maxillary bones.
In this case the patient very often has a large mandible or a short maxillary bone.