Three-dimensional acquisition and visualization of dental arch features from optically digitized models

A method for the acquisition and evaluation of 3D coordinates from anatomically oriented plaster casts is presented, which is based on optical phase shifting profilometry (a fringe projection technique). With the computer-controlled setup, measurements from different views can be combined to obtain...

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Published in:Journal of orofacial orthopedics 1999, Vol.60 (2), p.152-159
Main Authors: Dirksen, D, Diederichs, S, Runte, C, von Bally, G, Bollmann, F
Format: Article
Language:English
Subjects:
Calibration
Computer Graphics - instrumentation
Computer Graphics - statistics & numerical data
Computer Simulation
Dental Arch - anatomy & histology
Dental Models - statistics & numerical data
Dentistry
Humans
Models, Biological
Reproducibility of Results
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cited_by cdi_FETCH-LOGICAL-c198t-59180be905388ba86d7c58b987b76c0476bfc370dd1ebf8e27a912b01c334b9a3
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container_title Journal of orofacial orthopedics
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creator Dirksen, D
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Runte, C
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description A method for the acquisition and evaluation of 3D coordinates from anatomically oriented plaster casts is presented, which is based on optical phase shifting profilometry (a fringe projection technique). With the computer-controlled setup, measurements from different views can be combined to obtain a complete three dimensional reconstruction of the model surface. To allow faster evaluation, the result is converted into a range image. From this digital data set the characteristic features like cusp tips can be identified and located semi-automatically. Based on these marks, quantitative values for differences between situation models like local displacements, e.g. during orthodontic treatment, can be determined. The results are visualized as interactively controllable 3D computer graphics, which helps to make spatial relations clearer.
doi_str_mv 10.1007/BF01298964
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subjects Calibration
Computer Graphics - instrumentation
Computer Graphics - statistics & numerical data
Computer Simulation
Dental Arch - anatomy & histology
Dental Models - statistics & numerical data
Dentistry
Humans
Models, Biological
Reproducibility of Results
title Three-dimensional acquisition and visualization of dental arch features from optically digitized models
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