Dental radiographic apparatus for photographing entire jaws

Details Dental radiographic apparatus for photographing entire jaws Dental radiographic apparatus for photographing entire jaws

1984-11-02

1987-04-28

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Dental panoramic

378 40, A61B 614, G03B 4116

Patent

active

046619674

ABSTRACT:
A dental radiographic apparatus for photographing the entire jaws in which the apparatus includes a rotary arm having an X-ray source at one end and an X-ray film cassette at the other end thereof and operating in the manner that a path of movement of X-ray beam with respect to the dental arch describer a symmetrically extending approximately triangular envelope projecting toward the front tooth region of the dental arch by sequentially shifting the center of rotation of the X-ray beam irradiated from the X-ray source upon the X-ray film cassette, the apparatus being characterized in that it comprises a means for changing the straight-line distance on the medial line of the human body between the apex and receding points of limit of the envelope.

REFERENCES:
patent: 3737660 (1973-06-01), Ando et al.
patent: 4039837 (1977-08-01), Ohta et al.
patent: 4263513 (1981-04-01), Palluet

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