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The threaded dental implant as a reference object for image alignment
Umeå University, Faculty of Science and Technology, Department of Computing Science.ORCID iD: 0000-0002-7657-6917
Umeå University, Faculty of Medicine, Department of Odontology, Prosthetic Dentistry.
2001 (English)In: Computer Methods in Biomechanics and Biomedical Engineering, ISSN 1025-5842, E-ISSN 1476-8259, Vol. 4, no 5, 421-431 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a method that uses the threaded dental implant as a reference object for the inter-image alignment necessary for digital subtraction radiography. The implant is furthermore used to define a measurement coordinate system and to automate the placement of reference areas used for contrast correction. The method is intended for studies of diffuse bone density changes in the vicinity of the implant. The method is shown to be insensitive to large variations in exposure time and geometry, and is together with the contrast correction method of Ruttimann et al., able to detect clinically invisible simulated bone density changes.

Place, publisher, year, edition, pages
2001. Vol. 4, no 5, 421-431 p.
Keyword [en]
Dental implant; Subtraction radiography; Image alignment; Geoemtric standardization; Reference point method
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:umu:diva-40088DOI: 10.1080/10255840108908018OAI: oai:DiVA.org:umu-40088DiVA: diva2:397877
Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2017-12-11Bibliographically approved

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Börlin, NiclasLindh, Tomas
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