title: Dimensional reproduction in rotational panoramic radiography.
abstract: The customary mathematical expressions for magnification in rotational panoramic radiography are examined. It is shown that although these expressions yield correct results for small objects placed perpendicularly to the central ray of the beam, they must be corrected in other situations.
authors.forename: W D
authors.initials: WD
authors.lastname: McDavid
authors.forename: G
authors.initials: G
authors.lastname: Tronje
authors.forename: U
authors.initials: U
authors.lastname: Welander
authors.forename: C R
authors.initials: CR
authors.lastname: Morris
mesh_terms: D003201:Computers; D008433:Mathematics; D008954:Models, Biological; D011858:Radiographic Magnification; D011862:Radiography, Panoramic / Q000379:methods*; D012399:Rotation