A method to maintain a constant magnification factor throughout the exposure of rotational panoramic radiographs

W. D. McDavid, G. Tronje, U. Welander

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The magnification factor can be held constant throughout the exposure of a panoramic radiograph by maintaining the physical centre of rotation equidistant from the central plane of the image layer. This may be accomplished with computer-controlled movement patterns while the effective centre of rotation follows a path selected to provide an optimal projection of the jaws. Theoretical considerations for creation of a constant magnification factor are presented and the practical implementation of the technique in a commercially available device (OrthOralix SD, Philips, Monza, Italy) is described. This technique minimizes distortion in panoramic radiographs and makes horizontal measurements possible in certain selected cases.

Original languageEnglish (US)
Pages (from-to)160-168
Number of pages9
JournalDentomaxillofacial Radiology
Volume18
Issue number4
StatePublished - Nov 1989

Fingerprint

Jaw
Italy
Equipment and Supplies

Keywords

  • panoramic
  • Radiography

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Dentistry(all)
  • Radiology Nuclear Medicine and imaging
  • Otorhinolaryngology

Cite this

A method to maintain a constant magnification factor throughout the exposure of rotational panoramic radiographs. / McDavid, W. D.; Tronje, G.; Welander, U.

In: Dentomaxillofacial Radiology, Vol. 18, No. 4, 11.1989, p. 160-168.

Research output: Contribution to journalArticle

@article{f043940723b64b7db8251cdb8781f1e9,
title = "A method to maintain a constant magnification factor throughout the exposure of rotational panoramic radiographs",
abstract = "The magnification factor can be held constant throughout the exposure of a panoramic radiograph by maintaining the physical centre of rotation equidistant from the central plane of the image layer. This may be accomplished with computer-controlled movement patterns while the effective centre of rotation follows a path selected to provide an optimal projection of the jaws. Theoretical considerations for creation of a constant magnification factor are presented and the practical implementation of the technique in a commercially available device (OrthOralix SD, Philips, Monza, Italy) is described. This technique minimizes distortion in panoramic radiographs and makes horizontal measurements possible in certain selected cases.",
keywords = "panoramic, Radiography",
author = "McDavid, {W. D.} and G. Tronje and U. Welander",
year = "1989",
month = "11",
language = "English (US)",
volume = "18",
pages = "160--168",
journal = "Dentomaxillofacial Radiology",
issn = "0250-832X",
publisher = "British Institute of Radiology",
number = "4",

}

TY - JOUR

T1 - A method to maintain a constant magnification factor throughout the exposure of rotational panoramic radiographs

AU - McDavid, W. D.

AU - Tronje, G.

AU - Welander, U.

PY - 1989/11

Y1 - 1989/11

N2 - The magnification factor can be held constant throughout the exposure of a panoramic radiograph by maintaining the physical centre of rotation equidistant from the central plane of the image layer. This may be accomplished with computer-controlled movement patterns while the effective centre of rotation follows a path selected to provide an optimal projection of the jaws. Theoretical considerations for creation of a constant magnification factor are presented and the practical implementation of the technique in a commercially available device (OrthOralix SD, Philips, Monza, Italy) is described. This technique minimizes distortion in panoramic radiographs and makes horizontal measurements possible in certain selected cases.

AB - The magnification factor can be held constant throughout the exposure of a panoramic radiograph by maintaining the physical centre of rotation equidistant from the central plane of the image layer. This may be accomplished with computer-controlled movement patterns while the effective centre of rotation follows a path selected to provide an optimal projection of the jaws. Theoretical considerations for creation of a constant magnification factor are presented and the practical implementation of the technique in a commercially available device (OrthOralix SD, Philips, Monza, Italy) is described. This technique minimizes distortion in panoramic radiographs and makes horizontal measurements possible in certain selected cases.

KW - panoramic

KW - Radiography

UR - http://www.scopus.com/inward/record.url?scp=0024760625&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0024760625&partnerID=8YFLogxK

M3 - Article

C2 - 2640447

AN - SCOPUS:0024760625

VL - 18

SP - 160

EP - 168

JO - Dentomaxillofacial Radiology

JF - Dentomaxillofacial Radiology

SN - 0250-832X

IS - 4

ER -