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Volume 18 , Issue 5
September/October 2005

Pages 436437

Use of Shadow-Speckle Correlation Method for 3D Tooth Model Reconstruction

Jianxin Gao, BEng, MSc, PhD/Wei Xu, BEng, PhD/Jianping Geng, BDS, MSD, PhD

PMID: 16220812

This study presents a method of using shadow-speckle correlation to reconstruct a 3-dimensional (3D) tooth model. Compared with other methods based on laser or optical geometric measurements, the shadow-speckle method overcomes their limitations by using a digital image correlation to reconstruct a 3D tooth model. Using plaster models 4 times the normal tooth size showed that the accuracy of the reconstructed model was estimated at roughly 30 m, which potentially could be used in direct intraoral applications.
Int J Prosthodont 2005;18:436437.

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