The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin

Zahra Jowkar,1 Zahra Fattah,1 Saeedreza Ghanbarian,2 Fereshteh Shafiei1 1Oral and Dental Disease Research Center, Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran; 2Department of Operative Dentistry, School of Dentistry, Shiraz University of...

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Autores principales:	Jowkar Z, Fattah Z, Ghanbarian S, Shafiei F
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	glass ionomer cement microshear bond strength nanoparticles Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/9b1285132e424ff08037b060bf30ff55
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spelling	oai:doaj.org-article:9b1285132e424ff08037b060bf30ff552021-12-02T10:15:05ZThe Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin1178-2013https://doaj.org/article/9b1285132e424ff08037b060bf30ff552020-07-01T00:00:00Zhttps://www.dovepress.com/the-effects-of-silver-zinc-oxide-and-titanium-dioxide-nanoparticles-us-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Zahra Jowkar,1 Zahra Fattah,1 Saeedreza Ghanbarian,2 Fereshteh Shafiei1 1Oral and Dental Disease Research Center, Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran; 2Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranCorrespondence: Fereshteh Shafiei Tel +98-71-36263193Fax +98-71-36280804Email shafief@sums.ac.irAim: This study was conducted to evaluate the effects of three nanoparticle solutions used as dentin pretreatments on the microshear bond strength (μSBS) of a conventional glass ionomer cement (GIC) to dentin.Materials and Methods: Ninety intact human molars were used after sectioning their occlusal surfaces to expose flat dentin surfaces. The specimens were randomly assigned to nine groups (n = 10). Group A was the control group (without using the cavity disinfectant). In groups B, C, D, and E, the prepared dentin surfaces were treated with 1 cc 2% chlorhexidine (CHX), 0.1% silver nanoparticle (SNP), 0.1% titanium dioxide nanoparticle (TNP), and 0.1% zinc oxide nanoparticle (ZNP) solutions for 1 minute, respectively, before applying the conditioner. CHX, SNPs, TNPs, and ZNPs were applied for 1 minute after applying the conditioner in groups F, G, H, and I, respectively. The specimens were restored with a conventional GIC and underwent μSBS testing after 24 hours. The data were analyzed using the one-way analysis of variance and Tukey’s test (p=0.05).Results: The applications of the nanoparticles (SNP, TNP, and ZNP) after the conditioner were associated with significantly greater μSBS values compared to that of the control group (p values < 0.05). Significantly higher μSBS values were observed when TNP or ZNP was applied after the conditioner compared to their applications before the conditioner (p values < 0.05). The highest μSBS values were observed when TNP was applied after the conditioner.Conclusion: Dentin pretreatment with the nanoparticles after applying the conditioner enhanced the bond strength of the GIC to dentin compared with the control group. The best results were obtained for the TNPs applied after the conditioner.Keywords: glass ionomer cement, microshear bond strength, nanoparticlesJowkar ZFattah ZGhanbarian SShafiei FDove Medical Pressarticleglass ionomer cementmicroshear bond strengthnanoparticlesMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 15, Pp 4755-4762 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	glass ionomer cement microshear bond strength nanoparticles Medicine (General) R5-920
spellingShingle	glass ionomer cement microshear bond strength nanoparticles Medicine (General) R5-920 Jowkar Z Fattah Z Ghanbarian S Shafiei F The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
description	Zahra Jowkar,1 Zahra Fattah,1 Saeedreza Ghanbarian,2 Fereshteh Shafiei1 1Oral and Dental Disease Research Center, Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran; 2Department of Operative Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranCorrespondence: Fereshteh Shafiei Tel +98-71-36263193Fax +98-71-36280804Email shafief@sums.ac.irAim: This study was conducted to evaluate the effects of three nanoparticle solutions used as dentin pretreatments on the microshear bond strength (μSBS) of a conventional glass ionomer cement (GIC) to dentin.Materials and Methods: Ninety intact human molars were used after sectioning their occlusal surfaces to expose flat dentin surfaces. The specimens were randomly assigned to nine groups (n = 10). Group A was the control group (without using the cavity disinfectant). In groups B, C, D, and E, the prepared dentin surfaces were treated with 1 cc 2% chlorhexidine (CHX), 0.1% silver nanoparticle (SNP), 0.1% titanium dioxide nanoparticle (TNP), and 0.1% zinc oxide nanoparticle (ZNP) solutions for 1 minute, respectively, before applying the conditioner. CHX, SNPs, TNPs, and ZNPs were applied for 1 minute after applying the conditioner in groups F, G, H, and I, respectively. The specimens were restored with a conventional GIC and underwent μSBS testing after 24 hours. The data were analyzed using the one-way analysis of variance and Tukey’s test (p=0.05).Results: The applications of the nanoparticles (SNP, TNP, and ZNP) after the conditioner were associated with significantly greater μSBS values compared to that of the control group (p values < 0.05). Significantly higher μSBS values were observed when TNP or ZNP was applied after the conditioner compared to their applications before the conditioner (p values < 0.05). The highest μSBS values were observed when TNP was applied after the conditioner.Conclusion: Dentin pretreatment with the nanoparticles after applying the conditioner enhanced the bond strength of the GIC to dentin compared with the control group. The best results were obtained for the TNPs applied after the conditioner.Keywords: glass ionomer cement, microshear bond strength, nanoparticles
format	article
author	Jowkar Z Fattah Z Ghanbarian S Shafiei F
author_facet	Jowkar Z Fattah Z Ghanbarian S Shafiei F
author_sort	Jowkar Z
title	The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
title_short	The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
title_full	The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
title_fullStr	The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
title_full_unstemmed	The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin
title_sort	effects of silver, zinc oxide, and titanium dioxide nanoparticles used as dentin pretreatments on the microshear bond strength of a conventional glass ionomer cement to dentin
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/9b1285132e424ff08037b060bf30ff55
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The Effects of Silver, Zinc Oxide, and Titanium Dioxide Nanoparticles Used as Dentin Pretreatments on the Microshear Bond Strength of a Conventional Glass Ionomer Cement to Dentin

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