X-ray or gamma ray systems or devices – Specific application – Dental panoramic
Patent
1984-06-18
1989-05-09
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Specific application
Dental panoramic
378189, 378191, G03B 4202
Patent
active
048295485
ABSTRACT:
An X-ray examination apparatus, for example, for dental use, comprises an extraoral radiation entrance screen which is displaceable in a plane which is transverse with respect to a normal thereto. Consequently, distortion-free imaging can be performed for the entire set of teeth and the adjoining regions of the jaws.
REFERENCES:
patent: 4012638 (1977-03-01), Alschuler et al.
patent: 4057733 (1977-11-01), Hofmouzel et al.
patent: 4409616 (1983-10-01), Ledley
patent: 4426716 (1984-01-01), Muether et al.
van Aken, J., "Optimum Conditions for Intraoral Roentgenograms", Oral Surgery, and Oral Pathology, vol. 27, No. 4, pp. 475-491 (Apr. 1969).
Halm Jan H.
Post Leonardus H. J.
van der Stelt Paul F.
van Otterdijk Johannes F.
Briody Thomas A.
Fields Carolyn E.
Haken Jack E.
Slobod Jack D.
U.S. Philips Corporation
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