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January 24, 2010 | History

A comparison of the accuracy of fit of two different methods for fabricating implant-prosthodontic frameworks 1 edition

A comparison of the accuracy of fit of two different methods for fabri ...
Sara Abdulaziz Al-Fadda

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A comparison of the accuracy of fit of two different methods for fabricating implant-prosthodontic frameworks.

Published 2005 .
Written in English.

About the Book

Background. It is hypothesized that frameworks fabricated using the laser scanned Computer Numeric Controlled (CNC) technique are more accurately fitted to the prosthetic analogue than conventional cast-over ones. Objective. To compare the in vitro three-dimensional accuracy of fit of the CNC-milled implant titanium frameworks to conventional cast-over ones. Methods. Nine cast-over frameworks were fabricated on mandibular models following the conventional fabrication technique. The fabrication of the laser-scanned CNC milled frameworks involved scanning of the implants analogues' using a Coordinate Measuring machine (CMM). The cast-over frameworks were then laser scanned, and CNC frameworks that match their outline were fabricated. The accuracy of fit was measured using CMM and a special computer software. Results. The CNC frameworks showed significantly less distortion along the x-axis and the horizontal plane (x+y) (p = 0.01). The y, z axes and the three-dimensional distortion showed an overall trend of less distortion in the CNC frameworks. Conclusion . The CNC-milling technique yields a more accurate fit than the conventional technique. However, in vivo studies are needed to investigate the clinical significance of this recorded difference.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0805.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
109 leaves.
Number of pages
109

ID Numbers

Open Library
OL19216645M
ISBN 10
0494072202

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page