Radiographic apparatus for photographing entire jaws

Details Radiographic apparatus for photographing entire jaws Radiographic apparatus for photographing entire jaws

1984-01-30

1985-01-22

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Dental panoramic

378 38, G03B 4116

Patent

active

044956320

ABSTRACT:
This disclosure relates to a dental radiographic apparatus for photographing the entire jaws designed to control the rotation of a rotary arm such that the film surface of a film holder mounted at one end of the rotary arm may rotate and move substantially at equal speed substantially equidistantly along the dental arch and that the X-ray beams irradiated upon the film surface from an X-ray generator mounted at the other end of the arm may fall on the dental arch at any point thereof at right angles with the arch. The apparatus makes it possible to obtain a very clear tomographic picture of a curved plane of the entire jaws, the picture being free of a double image of the teeth, partial change in enlargement ratio of the image obtained, and partial difference in the shade of the image obtained.

REFERENCES:
patent: 4264820 (1981-04-01), Hotta

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