The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations

Background: The repair of composite restorations is considered as a conservative treatment for avoiding the risk of pulp injury, the enlargement of cavity preparation, and excess removal of sound dental structure. The aim of this study was to evaluate the effect of silane-containing adhesives on imm...

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Autores principales:	Razieh Hoseinifar, Niloofar Shadman, Farnaz Mirrashidi, Sajad Gholami
Formato:	article
Lenguaje:	EN
Publicado:	Wolters Kluwer Medknow Publications 2021
Materias:	adhesives aging composite resins dental restoration repair Dentistry RK1-715
Acceso en línea:	https://doaj.org/article/5d65833c27d3494eb6dcbd13807a33e8
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spelling	oai:doaj.org-article:5d65833c27d3494eb6dcbd13807a33e82021-11-12T10:10:18ZThe effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations1735-33272008-025510.4103/1735-3327.328755https://doaj.org/article/5d65833c27d3494eb6dcbd13807a33e82021-01-01T00:00:00Zhttp://www.drjjournal.net/article.asp?issn=1735-3327;year=2021;volume=18;issue=1;spage=87;epage=87;aulast=Hoseinifarhttps://doaj.org/toc/1735-3327https://doaj.org/toc/2008-0255Background: The repair of composite restorations is considered as a conservative treatment for avoiding the risk of pulp injury, the enlargement of cavity preparation, and excess removal of sound dental structure. The aim of this study was to evaluate the effect of silane-containing adhesives on immediate and delayed shear bond strength (SBS) of repaired composite restorations.Materials and Methods: In this in vitro study, 132 discs of Z350 composite were fabricated and divided into fresh (10 min water storage) and aged (6-month water storage + 2000 thermal cycling). All composite surfaces were roughened and etched, and each group was divided equally into six subgroups: 1 (Single Bond 2), 2 (Single Bond Universal), 3 (Clearfil Universal Bond), 4 (silane + Single Bond 2), 5 (silane + Single Bond Universal), and 6 (silane + Clearfil Universal Bond). The specimens were restored with the same composite, thermocycled, and tested for SBS in a universal testing machine. Data were analyzed using one- and two-way ANOVA, t-test, and post hoc Tukey's tests. P < 0.05 was set as the level of significant.Results: The highest and lowest SBS (in both fresh and aged groups) were related to Single Bond 2 with silane and Clearfil Universal Bond with silane, respectively. The delayed SBS of Single Bond 2 was significantly higher than universal adhesives (in both with and without silane application) (P < 0.05). Silane had no significant effect on the repair bond strength of Single Bond 2 and Single Bond Universal (P > 0.05), while silane application significantly decreased the delayed SBS of Clearfil Universal Bond.Conclusion: The SBS of Single Bond 2 was significantly better than two other universal adhesives. The SBS of Single Bond Universal was not affected by silane application, while silane had a negative effect on delayed SBS of Clearfil Universal Bond.Razieh HoseinifarNiloofar ShadmanFarnaz MirrashidiSajad GholamiWolters Kluwer Medknow Publicationsarticleadhesivesagingcomposite resinsdental restoration repairDentistryRK1-715ENDental Research Journal, Vol 18, Iss 1, Pp 87-87 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	adhesives aging composite resins dental restoration repair Dentistry RK1-715
spellingShingle	adhesives aging composite resins dental restoration repair Dentistry RK1-715 Razieh Hoseinifar Niloofar Shadman Farnaz Mirrashidi Sajad Gholami The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
description	Background: The repair of composite restorations is considered as a conservative treatment for avoiding the risk of pulp injury, the enlargement of cavity preparation, and excess removal of sound dental structure. The aim of this study was to evaluate the effect of silane-containing adhesives on immediate and delayed shear bond strength (SBS) of repaired composite restorations.Materials and Methods: In this in vitro study, 132 discs of Z350 composite were fabricated and divided into fresh (10 min water storage) and aged (6-month water storage + 2000 thermal cycling). All composite surfaces were roughened and etched, and each group was divided equally into six subgroups: 1 (Single Bond 2), 2 (Single Bond Universal), 3 (Clearfil Universal Bond), 4 (silane + Single Bond 2), 5 (silane + Single Bond Universal), and 6 (silane + Clearfil Universal Bond). The specimens were restored with the same composite, thermocycled, and tested for SBS in a universal testing machine. Data were analyzed using one- and two-way ANOVA, t-test, and post hoc Tukey's tests. P < 0.05 was set as the level of significant.Results: The highest and lowest SBS (in both fresh and aged groups) were related to Single Bond 2 with silane and Clearfil Universal Bond with silane, respectively. The delayed SBS of Single Bond 2 was significantly higher than universal adhesives (in both with and without silane application) (P < 0.05). Silane had no significant effect on the repair bond strength of Single Bond 2 and Single Bond Universal (P > 0.05), while silane application significantly decreased the delayed SBS of Clearfil Universal Bond.Conclusion: The SBS of Single Bond 2 was significantly better than two other universal adhesives. The SBS of Single Bond Universal was not affected by silane application, while silane had a negative effect on delayed SBS of Clearfil Universal Bond.
format	article
author	Razieh Hoseinifar Niloofar Shadman Farnaz Mirrashidi Sajad Gholami
author_facet	Razieh Hoseinifar Niloofar Shadman Farnaz Mirrashidi Sajad Gholami
author_sort	Razieh Hoseinifar
title	The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
title_short	The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
title_full	The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
title_fullStr	The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
title_full_unstemmed	The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
title_sort	effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations
publisher	Wolters Kluwer Medknow Publications
publishDate	2021
url	https://doaj.org/article/5d65833c27d3494eb6dcbd13807a33e8
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The effect of silane-containing universal adhesives on the immediate and delayed bond strength of repaired composite restorations

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