Reversed layer position in rotational panoramic radiography. 1990

W D McDavid, and G Tronje, and U Welander
Department of Dental Diagnostic Science, University of Texas Health Science Center, Karolinska Institutet.

In rotational panoramic radiography, the image layer is generally positioned between the rotation center of the beam and the film. It is also possible to create a layer that is positioned between the rotation center and the x-ray source. The reversed layer position is useful clinically and gives rise to image properties that are somewhat different from the conventional geometry.

UI MeSH Term Description Entries
D011862 Radiography, Panoramic Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film. Orthopantomography,Panoramic Radiography,Pantomography,Orthopantomographies,Panoramic Radiographies,Pantomographies,Radiographies, Panoramic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012399 Rotation Motion of an object in which either one or more points on a line are fixed. It is also the motion of a particle about a fixed point. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Clinorotation,Clinorotations,Rotations
D055095 Optics and Photonics A specialized field of physics and engineering involved in studying the behavior and properties of light and the technology of analyzing, generating, transmitting, and manipulating ELECTROMAGNETIC RADIATION in the visible, infrared, and ultraviolet range. Photonics,Photonics and Optics

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