Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro

Objective The purpose of this research was to determine the viscoelastic properties of a group of commercially available nano-flowable resin composites; and to explore the relation between these properties and the materials’ composition (with/without fluoride), filler size description (nano-filled,...

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Autor principal:	Loulwa M. Al-Saud
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	complex viscosity flowable composite giomers rheology viscoelasticity Dentistry RK1-715
Acceso en línea:	https://doaj.org/article/2c660df966ab4a4b9afed93685d96ff2
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spelling	oai:doaj.org-article:2c660df966ab4a4b9afed93685d96ff22021-11-11T14:23:43ZComparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro2641-527510.1080/26415275.2021.1996239https://doaj.org/article/2c660df966ab4a4b9afed93685d96ff22021-01-01T00:00:00Zhttp://dx.doi.org/10.1080/26415275.2021.1996239https://doaj.org/toc/2641-5275Objective The purpose of this research was to determine the viscoelastic properties of a group of commercially available nano-flowable resin composites; and to explore the relation between these properties and the materials’ composition (with/without fluoride), filler size description (nano-filled, nanohybrid and submicron-filled) and filler loading (by volume). Methods Rheological measurements were performed using a rheometer. A Dynamic frequency sweep test was conducted to evaluate the complex viscosity, storage and loss moduli, loss tangent, and complex shear modulus at an angular frequency (ω) of 0.1–100 rad/s. Comparative evaluations of the nano flowable resin composites on rheological properties was performed, and statistically analyzed using one-way ANOVA. Results The results indicated that all the tested materials exhibited shear-thinning flow behaviour. As the shear rate increased, the complex viscosity of the nano-flowable composites decreased. The nanohybrid filled flowable resin composites exhibited the highest complex viscosity, while the nano-filled flowable resin composites exhibited the lowest value. The submicron-filled materials exhibited the lowest complex shear moduli and loss tangent values. Conclusions: The findings from the current study provided comprehensive evaluation of the rheological properties of different nano-flowable composites. The observed differences in rheological properties among the tested materials were independent of their fluoride content or filler size. Furthermore, no relationship was found between the complex viscosity of the tested nano-flowable resin composites and their filler volume.Loulwa M. Al-SaudTaylor & Francis Grouparticlecomplex viscosityflowable compositegiomersrheologyviscoelasticityDentistryRK1-715ENBiomaterial Investigations in Dentistry, Vol 8, Iss 1, Pp 170-179 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	complex viscosity flowable composite giomers rheology viscoelasticity Dentistry RK1-715
spellingShingle	complex viscosity flowable composite giomers rheology viscoelasticity Dentistry RK1-715 Loulwa M. Al-Saud Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
description	Objective The purpose of this research was to determine the viscoelastic properties of a group of commercially available nano-flowable resin composites; and to explore the relation between these properties and the materials’ composition (with/without fluoride), filler size description (nano-filled, nanohybrid and submicron-filled) and filler loading (by volume). Methods Rheological measurements were performed using a rheometer. A Dynamic frequency sweep test was conducted to evaluate the complex viscosity, storage and loss moduli, loss tangent, and complex shear modulus at an angular frequency (ω) of 0.1–100 rad/s. Comparative evaluations of the nano flowable resin composites on rheological properties was performed, and statistically analyzed using one-way ANOVA. Results The results indicated that all the tested materials exhibited shear-thinning flow behaviour. As the shear rate increased, the complex viscosity of the nano-flowable composites decreased. The nanohybrid filled flowable resin composites exhibited the highest complex viscosity, while the nano-filled flowable resin composites exhibited the lowest value. The submicron-filled materials exhibited the lowest complex shear moduli and loss tangent values. Conclusions: The findings from the current study provided comprehensive evaluation of the rheological properties of different nano-flowable composites. The observed differences in rheological properties among the tested materials were independent of their fluoride content or filler size. Furthermore, no relationship was found between the complex viscosity of the tested nano-flowable resin composites and their filler volume.
format	article
author	Loulwa M. Al-Saud
author_facet	Loulwa M. Al-Saud
author_sort	Loulwa M. Al-Saud
title	Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
title_short	Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
title_full	Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
title_fullStr	Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
title_full_unstemmed	Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro
title_sort	comparative evaluation of rheological characteristics of giomers and other nano-flowable resin composites in vitro
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/2c660df966ab4a4b9afed93685d96ff2
work_keys_str_mv	AT loulwamalsaud comparativeevaluationofrheologicalcharacteristicsofgiomersandothernanoflowableresincompositesinvitro
_version_	1718438922607919104

Comparative evaluation of Rheological characteristics of Giomers and other Nano-flowable resin composites in vitro

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