Comparison between two post-dentin bond strength measurement methods

Abstract The push-out (PO) test and the diametral compression (DC) test were performed to compare the merits of two post-dentin bond strength measurement methods. Compared with the push-out test, the disk in DC provided post-dentin bond strength measurements that were more precise. The load-displace...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Laikuan Zhu, Yuping Li, Yung-Chung Chen, Carola A. Carrera, Chong Wu, Alex Fok
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
Materias:
R
Q
Acceso en línea:https://doaj.org/article/6a972aa4dfce48f581198bfd1138045b
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:6a972aa4dfce48f581198bfd1138045b
record_format dspace
spelling oai:doaj.org-article:6a972aa4dfce48f581198bfd1138045b2021-12-02T15:08:19ZComparison between two post-dentin bond strength measurement methods10.1038/s41598-018-20891-32045-2322https://doaj.org/article/6a972aa4dfce48f581198bfd1138045b2018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-20891-3https://doaj.org/toc/2045-2322Abstract The push-out (PO) test and the diametral compression (DC) test were performed to compare the merits of two post-dentin bond strength measurement methods. Compared with the push-out test, the disk in DC provided post-dentin bond strength measurements that were more precise. The load-displacement curves from the DC test were much smoother and more linear up to the point of fracture when compared to those from the PO test. Compared to the PO test, DC is easier to perform for determining the bond strength between posts and dentin. No specimen alignment is needed in the DC test, and it produces a smaller standard deviation in the measured bond strength. The main disadvantage of the DC test, however, is that finite element analysis (FEA) is required to calculate the bond strength. The shear bond strength given by the PO test based on the simple formula is not valid, though, and the peak failure load is dependent on friction at the post-dentin interface.Laikuan ZhuYuping LiYung-Chung ChenCarola A. CarreraChong WuAlex FokNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Laikuan Zhu
Yuping Li
Yung-Chung Chen
Carola A. Carrera
Chong Wu
Alex Fok
Comparison between two post-dentin bond strength measurement methods
description Abstract The push-out (PO) test and the diametral compression (DC) test were performed to compare the merits of two post-dentin bond strength measurement methods. Compared with the push-out test, the disk in DC provided post-dentin bond strength measurements that were more precise. The load-displacement curves from the DC test were much smoother and more linear up to the point of fracture when compared to those from the PO test. Compared to the PO test, DC is easier to perform for determining the bond strength between posts and dentin. No specimen alignment is needed in the DC test, and it produces a smaller standard deviation in the measured bond strength. The main disadvantage of the DC test, however, is that finite element analysis (FEA) is required to calculate the bond strength. The shear bond strength given by the PO test based on the simple formula is not valid, though, and the peak failure load is dependent on friction at the post-dentin interface.
format article
author Laikuan Zhu
Yuping Li
Yung-Chung Chen
Carola A. Carrera
Chong Wu
Alex Fok
author_facet Laikuan Zhu
Yuping Li
Yung-Chung Chen
Carola A. Carrera
Chong Wu
Alex Fok
author_sort Laikuan Zhu
title Comparison between two post-dentin bond strength measurement methods
title_short Comparison between two post-dentin bond strength measurement methods
title_full Comparison between two post-dentin bond strength measurement methods
title_fullStr Comparison between two post-dentin bond strength measurement methods
title_full_unstemmed Comparison between two post-dentin bond strength measurement methods
title_sort comparison between two post-dentin bond strength measurement methods
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/6a972aa4dfce48f581198bfd1138045b
work_keys_str_mv AT laikuanzhu comparisonbetweentwopostdentinbondstrengthmeasurementmethods
AT yupingli comparisonbetweentwopostdentinbondstrengthmeasurementmethods
AT yungchungchen comparisonbetweentwopostdentinbondstrengthmeasurementmethods
AT carolaacarrera comparisonbetweentwopostdentinbondstrengthmeasurementmethods
AT chongwu comparisonbetweentwopostdentinbondstrengthmeasurementmethods
AT alexfok comparisonbetweentwopostdentinbondstrengthmeasurementmethods
_version_ 1718388190549639168