Patent ID: 8366442

Claim:
A dental apparatus, comprising: a bite registration section formed of a radiolucent material and being configured to fit within a patient's mouth and mate with the patient's teeth; a central forward projection extending from the bite registration section configured to extend between lips when the bite registration section is in the mouth; an exterior portion configured to reside outside the mouth, the exterior portion being attached to the central forward projection, the exterior portion having a central vertical portion extending downward from the central forward projection, a first wing extending laterally from the central vertical portion in a first direction, and a second wing extending laterally from the central vertical portion in a second direction, the first and second wings being below the bite registration section; and at least three non-linear radiographic markers disposed on the exterior portion and having a radiographic density that makes them visible in CT data, at least one of said markers being disposed on said central vertical portion, at least one of said markers being disposed on said first wing, and at least one of said markers being disposed on said second wing.