Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution

Computer-Aided Design and Manufacturing systems are increasingly used to produce dental prostheses, but the parts produced suffer from a lack of evaluation, especially concerning the internal gap of the final assembly, that is, the space between the prepared tooth and the prosthesis. X-ray micro-Com...

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Main Authors: L. Tapie, N. Chiche, P. Boitelle, P. Morenton, J.-P. Attal, N. Schmitt, E. Vennat
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2016/7963928
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author L. Tapie
N. Chiche
P. Boitelle
P. Morenton
J.-P. Attal
N. Schmitt
E. Vennat
author_facet L. Tapie
N. Chiche
P. Boitelle
P. Morenton
J.-P. Attal
N. Schmitt
E. Vennat
author_sort L. Tapie
collection DOAJ
description Computer-Aided Design and Manufacturing systems are increasingly used to produce dental prostheses, but the parts produced suffer from a lack of evaluation, especially concerning the internal gap of the final assembly, that is, the space between the prepared tooth and the prosthesis. X-ray micro-Computed Tomography (micro-CT) is a noninvasive imaging technique enabling the internal inspection of the assembly. It has proved to be an efficient tool for measuring the gap. In this study, a critical review of the protocols using micro-CT to quantify the gap is proposed as an introduction to a new protocol aimed at minimizing errors and enabling comparison between CAD/CAM systems. To compare different systems, a standardized protocol is proposed including two reference geometries. Micro-CT is used to acquire the reference geometries. A new 3D method is then proposed and a new indicator is defined (Gap Size Distribution (GSD)). In addition, the usual 2D measurements are described and discussed. The 3D gap measurement method proposed can be used in clinical case geometries and has the considerable advantage of minimizing the data processing steps before performing the measurements.
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institution Kabale University
issn 1687-8434
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language English
publishDate 2016-01-01
publisher Wiley
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series Advances in Materials Science and Engineering
spelling doaj-art-68bb8426a070465ea85d64f251ce8e3b2025-02-03T01:27:28ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422016-01-01201610.1155/2016/79639287963928Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size DistributionL. Tapie0N. Chiche1P. Boitelle2P. Morenton3J.-P. Attal4N. Schmitt5E. Vennat6IUT de Saint Denis, Paris 13 University, Sorbonne Paris Cité University, Place du 8 mai 1945, 93206 Saint Denis Cedex, FranceDepartment of Biomaterials, URB2i, EA 4462, Faculty of Dental Surgery, Paris-Descartes University, Sorbonne Paris Cité University, 1 rue Maurice Arnoux, 92120 Montrouge, FranceDepartment of Biomaterials, URB2i, EA 4462, Faculty of Dental Surgery, Paris-Descartes University, Sorbonne Paris Cité University, 1 rue Maurice Arnoux, 92120 Montrouge, FranceLaboratoire du Génie Industriel, EA 2606, Centrale-Supélec, Grande Voie des Vignes, 92295 Chatenay-Malabry Cedex, FranceDepartment of Biomaterials, URB2i, EA 4462, Faculty of Dental Surgery, Paris-Descartes University, Sorbonne Paris Cité University, 1 rue Maurice Arnoux, 92120 Montrouge, FranceLMT-Cachan, ENS Cachan, CNRS UMR 8535, PRES UniverSud, 61 avenue du Président Wilson 94235 Cachan Cedex, FranceLaboratoire Mécanique des Sols, Structures et Matériaux, CNRS UMR 8579, Ecole Centrale Paris, Grande Voie des Vignes, 92295 Chatenay-Malabry Cedex, FranceComputer-Aided Design and Manufacturing systems are increasingly used to produce dental prostheses, but the parts produced suffer from a lack of evaluation, especially concerning the internal gap of the final assembly, that is, the space between the prepared tooth and the prosthesis. X-ray micro-Computed Tomography (micro-CT) is a noninvasive imaging technique enabling the internal inspection of the assembly. It has proved to be an efficient tool for measuring the gap. In this study, a critical review of the protocols using micro-CT to quantify the gap is proposed as an introduction to a new protocol aimed at minimizing errors and enabling comparison between CAD/CAM systems. To compare different systems, a standardized protocol is proposed including two reference geometries. Micro-CT is used to acquire the reference geometries. A new 3D method is then proposed and a new indicator is defined (Gap Size Distribution (GSD)). In addition, the usual 2D measurements are described and discussed. The 3D gap measurement method proposed can be used in clinical case geometries and has the considerable advantage of minimizing the data processing steps before performing the measurements.http://dx.doi.org/10.1155/2016/7963928
spellingShingle L. Tapie
N. Chiche
P. Boitelle
P. Morenton
J.-P. Attal
N. Schmitt
E. Vennat
Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
Advances in Materials Science and Engineering
title Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
title_full Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
title_fullStr Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
title_full_unstemmed Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
title_short Adaptation Measurement of CAD/CAM Dental Crowns with X-Ray Micro-CT: Metrological Chain Standardization and 3D Gap Size Distribution
title_sort adaptation measurement of cad cam dental crowns with x ray micro ct metrological chain standardization and 3d gap size distribution
url http://dx.doi.org/10.1155/2016/7963928
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