Improvement of Total Etching Dentin Bonding with Subpressure

Abstract This study aimed to investigate the effects of subpressure on the bond properties of total-etching adhesive to dentin. Thirty-six caries-free premolars were sectioned parallel to the occlusal plane and randomly divided into four groups (n = 9): a control group (C, no treatment) and three su...

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Autores principales:	Rui-Shen Zhuge, Yue-Ming Tian, Zu-Tai Zhang, Ning Ding, Yong-Mei Li, Dong-Xiang Zheng
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d67dc06cbe974d4a860cec602c0b709e
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spelling	oai:doaj.org-article:d67dc06cbe974d4a860cec602c0b709e2021-12-02T16:08:10ZImprovement of Total Etching Dentin Bonding with Subpressure10.1038/s41598-017-07281-x2045-2322https://doaj.org/article/d67dc06cbe974d4a860cec602c0b709e2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07281-xhttps://doaj.org/toc/2045-2322Abstract This study aimed to investigate the effects of subpressure on the bond properties of total-etching adhesive to dentin. Thirty-six caries-free premolars were sectioned parallel to the occlusal plane and randomly divided into four groups (n = 9): a control group (C, no treatment) and three subpressure groups, which were treated under 0.8, 0.6 or 0.4 bar after applying adhesives, named S8, S6 and S4, respectively. Afterward, resin was bonded to the dentin surface, and 27 beams (1.0 mm × 1.0 mm) of each group were sectioned. One was selected to observe the bonding interface from each group by SEM. Each group was divided into two subgroups (n = 13): 24 hours of water storage (I) and 10,000 thermocycling (A). The microtensile bond strength (μTBS), failure modes and nanoleakage expression were evaluated. SEM results showed that the subpressure groups had longer and denser resin tags. The μTBS of the subpressure groups was higher than that of the control group (p < 0.05). The subpressure groups were dominated by mixed failure, whereas main interfacial failure appeared in group C. The subpressure groups showed less silver deposition than the control group (p < 0.05). The subpressure technique may remarkably improve bonding strength and decrease nanoleakage on total-etching bonding.Rui-Shen ZhugeYue-Ming TianZu-Tai ZhangNing DingYong-Mei LiDong-Xiang ZhengNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rui-Shen Zhuge Yue-Ming Tian Zu-Tai Zhang Ning Ding Yong-Mei Li Dong-Xiang Zheng Improvement of Total Etching Dentin Bonding with Subpressure
description	Abstract This study aimed to investigate the effects of subpressure on the bond properties of total-etching adhesive to dentin. Thirty-six caries-free premolars were sectioned parallel to the occlusal plane and randomly divided into four groups (n = 9): a control group (C, no treatment) and three subpressure groups, which were treated under 0.8, 0.6 or 0.4 bar after applying adhesives, named S8, S6 and S4, respectively. Afterward, resin was bonded to the dentin surface, and 27 beams (1.0 mm × 1.0 mm) of each group were sectioned. One was selected to observe the bonding interface from each group by SEM. Each group was divided into two subgroups (n = 13): 24 hours of water storage (I) and 10,000 thermocycling (A). The microtensile bond strength (μTBS), failure modes and nanoleakage expression were evaluated. SEM results showed that the subpressure groups had longer and denser resin tags. The μTBS of the subpressure groups was higher than that of the control group (p < 0.05). The subpressure groups were dominated by mixed failure, whereas main interfacial failure appeared in group C. The subpressure groups showed less silver deposition than the control group (p < 0.05). The subpressure technique may remarkably improve bonding strength and decrease nanoleakage on total-etching bonding.
format	article
author	Rui-Shen Zhuge Yue-Ming Tian Zu-Tai Zhang Ning Ding Yong-Mei Li Dong-Xiang Zheng
author_facet	Rui-Shen Zhuge Yue-Ming Tian Zu-Tai Zhang Ning Ding Yong-Mei Li Dong-Xiang Zheng
author_sort	Rui-Shen Zhuge
title	Improvement of Total Etching Dentin Bonding with Subpressure
title_short	Improvement of Total Etching Dentin Bonding with Subpressure
title_full	Improvement of Total Etching Dentin Bonding with Subpressure
title_fullStr	Improvement of Total Etching Dentin Bonding with Subpressure
title_full_unstemmed	Improvement of Total Etching Dentin Bonding with Subpressure
title_sort	improvement of total etching dentin bonding with subpressure
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d67dc06cbe974d4a860cec602c0b709e
work_keys_str_mv	AT ruishenzhuge improvementoftotaletchingdentinbondingwithsubpressure AT yuemingtian improvementoftotaletchingdentinbondingwithsubpressure AT zutaizhang improvementoftotaletchingdentinbondingwithsubpressure AT ningding improvementoftotaletchingdentinbondingwithsubpressure AT yongmeili improvementoftotaletchingdentinbondingwithsubpressure AT dongxiangzheng improvementoftotaletchingdentinbondingwithsubpressure
_version_	1718384622758264832

Improvement of Total Etching Dentin Bonding with Subpressure

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