Jaw articulator and face bow with bite-fork column
OwnerMichael H. Polzinventor
Life of this patent
Estimating the term…
Abstract
A face bow for receiving and transferring a model jaw to a jaw articulator in the correct spacial orientation relative to a patient's skull and jaw hinge axis. The face bow has a curved transfer member for surrounding a patient's face and a guide column releasably secured to the transfer member for carrying an adjustable bite fork. The transfer member has an elongate, centering groove and the guide column has an adjusting projection which is perpendicular to the guide column for engagement in the centering groove.
Claims15
A dental apparatus including a face bow for receiving and transferring a model jaw in the correct spatial orientation relative to a patient's skull and jaw hinge axis to a jaw articulator, the face bow comprising a curved transfer member for surrounding a patient's face and a guide column releasably secured to the transfer member for carrying an adjustable bite fork, the transfer member having an elongate centering groove and the guide column having an adjusting projection, which is perpendicular to the guide column for engagement in the centering groove, the dental apparatus further including an adapter connectable to the bite fork guide column, attachable to a pivoted upper part of the jaw articulator, and having a corresponding elongate centering groove for receiving the adjusting projection and rotationally aligning the guide column when the guide column is removed from the transfer member and mounted to the adapter.
A dental apparatus including a face bow for receiving and transferring a model jaw in the correct spatial orientation relative to a patient's skull and jaw hinge axis to a jaw articulator, the face bow comprising a curved transfer member for surrounding a patient's face and a guide column releasably secured to the transfer member for carrying an adjustable bite fork, the transfer member having an elongate, V-section centering groove and an adjusting projection, which is perpendicular to the guide column for engagement in the centering groove.
Dependencies are inferred from the claim text.