Importance

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Abstract

Panoramic dental X-ray machine includes a tubehead-camera assembly employing a suitable type image intensifier having a radiation input face of substantially similar shape and dimensions as a slot in a front panel of the camera assembly, the input face being secured against the slot and aligned therewith such that radiations passing through the slot must then pass through the image intensifier. A fast light-sensitive film constantly delicately presses against an output face of a fiber optic plate associated with the image intensifier as the film travels across the output face at a rate of speed dictated by the type radiographic image desired, i.e., continuous, discontinuous, or by the shape of the curved plane in focus. The image intensifier eliminates the need for conventional intensifying screens associated with panoramic dental radiographic systems. Resultant radiographs possess good contrast and resolution and are produced full size without the need of any peripheral electronic components. Invention greatly reduces the kVp and/or milliamperes required to power the tubehead as well as minimizing radiation dosages to the patient.

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First Claim