Dental tomography apparatus

Details Dental tomography apparatus Dental tomography apparatus

1982-09-10

1983-11-29

Smith, Alfred E.

X-ray or gamma ray systems or devices

Specific application

Dental panoramic

378 95, A61B 614

Patent

active

044184190

ABSTRACT:
A dental tomography apparatus comprises three drive motors for displacing the film and the X-ray source in two mutually perpendicular directions in a horizontal plane and for pivoting the carrier which connects the film and the X-ray source. The control signals for the motor drives are derived from the contour of the dentition by means of a plate which is covered by contacts on which the patient exerts a pressure by biting, so that the contacts whose position corresponds to the shape of the dentition are actuated. Therefrom, the contour of the dentition is determined by an arithmetic unit which supplies the control signals for the drive motors.

REFERENCES:
patent: 3737660 (1973-06-01), Ando et al.
patent: 3908126 (1975-09-01), Hudson et al.
patent: 4021672 (1977-05-01), Franke
patent: 4039837 (1977-08-01), Ohta et al.
patent: 4125774 (1978-11-01), Ciavattoni et al.
patent: 4145611 (1979-03-01), Valila 378 40

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