Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations

When taking the final impression for a three-unit fixed partial denture (FPD), the intaglio surface of the pontic of provisional restoration cannot be transferred accurately to that of definitive restoration. The intra- and extra-oral scanning (IEOS) technique, a method for accurately reproducing th...

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Autores principales:	Koma Sanda, Noriyuki Yasunami, Maki Okada, Akihiro Furuhashi, Yasunori Ayukawa
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	accuracy digital dentistry digital workflow fixed partial denture intraoral scanner intra-and extra-oral scanning technique Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/26dc7e9f68cb451ba46c03f9f8b87b2a
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spelling	oai:doaj.org-article:26dc7e9f68cb451ba46c03f9f8b87b2a2021-11-11T18:03:52ZAccuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations10.3390/ma142164891996-1944https://doaj.org/article/26dc7e9f68cb451ba46c03f9f8b87b2a2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6489https://doaj.org/toc/1996-1944When taking the final impression for a three-unit fixed partial denture (FPD), the intaglio surface of the pontic of provisional restoration cannot be transferred accurately to that of definitive restoration. The intra- and extra-oral scanning (IEOS) technique, a method for accurately reproducing the submucosal morphology of the superstructure of an implant, has been reported using an intraoral scanner. In the present study, we evaluated the difference between the conventional impression method using impression material and the IEOS technique in reproducing the morphology of the surface of the pontic of a definitive FPD. There was a significant difference in the trueness of the intaglio surface morphology of the pontic between the conventional method and the IEOS technique; however, no significant difference in precision was observed. As a result, the intaglio surface of the pontic of the three-unit FPD could be transferred to definitive restorations more accurately with the IEOS technique than with the conventional method. These results suggest that the IEOS technique can duplicate the intaglio surface of the pontic more reproducibly to the definitive restorations compared with the conventional method.Koma SandaNoriyuki YasunamiMaki OkadaAkihiro FuruhashiYasunori AyukawaMDPI AGarticleaccuracydigital dentistrydigital workflowfixed partial dentureintraoral scannerintra-and extra-oral scanning techniqueTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6489, p 6489 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	accuracy digital dentistry digital workflow fixed partial denture intraoral scanner intra-and extra-oral scanning technique Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	accuracy digital dentistry digital workflow fixed partial denture intraoral scanner intra-and extra-oral scanning technique Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Koma Sanda Noriyuki Yasunami Maki Okada Akihiro Furuhashi Yasunori Ayukawa Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
description	When taking the final impression for a three-unit fixed partial denture (FPD), the intaglio surface of the pontic of provisional restoration cannot be transferred accurately to that of definitive restoration. The intra- and extra-oral scanning (IEOS) technique, a method for accurately reproducing the submucosal morphology of the superstructure of an implant, has been reported using an intraoral scanner. In the present study, we evaluated the difference between the conventional impression method using impression material and the IEOS technique in reproducing the morphology of the surface of the pontic of a definitive FPD. There was a significant difference in the trueness of the intaglio surface morphology of the pontic between the conventional method and the IEOS technique; however, no significant difference in precision was observed. As a result, the intaglio surface of the pontic of the three-unit FPD could be transferred to definitive restorations more accurately with the IEOS technique than with the conventional method. These results suggest that the IEOS technique can duplicate the intaglio surface of the pontic more reproducibly to the definitive restorations compared with the conventional method.
format	article
author	Koma Sanda Noriyuki Yasunami Maki Okada Akihiro Furuhashi Yasunori Ayukawa
author_facet	Koma Sanda Noriyuki Yasunami Maki Okada Akihiro Furuhashi Yasunori Ayukawa
author_sort	Koma Sanda
title	Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
title_short	Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
title_full	Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
title_fullStr	Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
title_full_unstemmed	Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations
title_sort	accuracy of the intra- and extra-oral scanning technique for transferring the intaglio surface of a pontic of provisional restorations to definitive restorations
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/26dc7e9f68cb451ba46c03f9f8b87b2a
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Accuracy of the Intra- and Extra-Oral Scanning Technique for Transferring the Intaglio Surface of a Pontic of Provisional Restorations to Definitive Restorations

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