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The effect of projection errors on cephalometric length measurements
1986 (English)In: European Journal of Orthodontics, ISSN 0141-5387, E-ISSN 1460-2210, Vol. 8, no 3, 141-148 p.Article in journal (Refereed) Published
Abstract [en]

The magnitude of projection errors, calculated theoretically on length measurements in cephalometry was studied. Rotation of the object by up to 5° from the proper position, resulted in errors in length measurements that were usually less than one percent. Rotations of more than 5° may increase the error but imply misalignments of the head that should be evident when positioning the patient. The advantage of extremely long focus film distances seems doubtful.

Place, publisher, year, edition, pages
1986. Vol. 8, no 3, 141-148 p.
Keyword [en]
radiology, oral and maxillofacial radiology
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Research subject
URN: urn:nbn:se:umu:diva-90814DOI: 10.1093/ejo/8.3.141PubMedID: 3464437OAI: diva2:731358
Available from: 2014-07-01 Created: 2014-07-01 Last updated: 2014-07-01Bibliographically approved

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Ahlqvist, Jan
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