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International Journal of Computerized Dentistry

Edited by B. Reiss, K. Wiedhahn, and O. Schenk

Official publication of the International Society of Computerized Dentistry

ISSN 1463-4201


Spring 2007
Volume 10 , Issue 1

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Applications of Three-dimensionally Scanned Models in Orthodontics

Cha, B.K. / Choi, J.I. / Jost-Brinkmann, P.-G. / Jeong, Y.M.

Pages: 41 - 52

The purpose of this study was to investigate clinical applications of the three-dimensional reverse engineering technologies for the analysis of orthodontic models. The measuring accuracy and the process of the 3D model scanning technique were evaluated with respect to linear, surface and volumetric parameters. Orthodontically induced dentoalveolar changes, which have been traditionally evaluated by cephalometric analysis, were assessed by the registration function of Rapidform 2002, a 3D-reverse modeling software in scanned maxillary casts. Threedimensional digital models are valuable alternatives to conventional casts for model analysis and also yield information which could previously be gathered only by cephalometric superimposition. Keywords: digital models, virtual model, 3D digital model analysis, cephalometry, 3D scanning, superimposition

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