Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro

The purpose of this study was to examine toothbrush-induced abrasion of resin composite restorations fabricated with flowable resin composites of different viscosities in vitro. In this study, six types of flowable resin composites with different flowability (Beautifil Flow F02, F02; Beautifil Flow...

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Autores principales:	Yuko Miyano, Masaya Suzuki, Koichi Shinkai
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	flowable resin composite rheology three-body wear toothbrush wear viscosity Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/1868b1c9ea79429a9da7fb2cc84ac70a
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spelling	oai:doaj.org-article:1868b1c9ea79429a9da7fb2cc84ac70a2021-11-11T18:00:39ZToothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro10.3390/ma142164361996-1944https://doaj.org/article/1868b1c9ea79429a9da7fb2cc84ac70a2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6436https://doaj.org/toc/1996-1944The purpose of this study was to examine toothbrush-induced abrasion of resin composite restorations fabricated with flowable resin composites of different viscosities in vitro. In this study, six types of flowable resin composites with different flowability (Beautifil Flow F02, F02; Beautifil Flow F10, F10; Beautifil Flow Plus F00, P00; Beautifil Flow Plus F03, P03; Beautifil Flow Plus X F00, X00; and Beautifil Flow Plus X F03, X03) were used. For the toothbrush abrasion test, the standard cavity (4 mm in diameter and 2 mm in depth) formed on the ceramic block was filled with each flowable resin composite (n = 10) and brushed for up to 40,000 strokes in a suspension containing commercial toothpaste under the conditions of 500 g load, 60 strokes/min, and 30 mm stroke distance. After every 10,000 strokes, the brushed surface of the specimen was impressed with a silicone rubber material. The amount of toothbrush-induced abrasion observed on each impression of the specimen was measured using a wide-area 3D measurement device (n = 10). The viscosity was determined using a cone-and-plate rotational measurement system. Because of the effect of different shear rates on viscosity and clinical use, the values 1.0 and 2.0 s<sup>−1</sup> were adopted as data (n = 6). In this study, the results of the toothbrush abrasion test demonstrated no significant differences in the amount of toothbrush-induced abrasion among flowable resin composites used (<i>p</i> > 0.05). No significant correlation was reported between toothbrush-induced abrasion and viscosities of flowable resin composites.Yuko MiyanoMasaya SuzukiKoichi ShinkaiMDPI AGarticleflowable resin compositerheologythree-body weartoothbrush wearviscosityTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6436, p 6436 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	flowable resin composite rheology three-body wear toothbrush wear viscosity Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	flowable resin composite rheology three-body wear toothbrush wear viscosity Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Yuko Miyano Masaya Suzuki Koichi Shinkai Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
description	The purpose of this study was to examine toothbrush-induced abrasion of resin composite restorations fabricated with flowable resin composites of different viscosities in vitro. In this study, six types of flowable resin composites with different flowability (Beautifil Flow F02, F02; Beautifil Flow F10, F10; Beautifil Flow Plus F00, P00; Beautifil Flow Plus F03, P03; Beautifil Flow Plus X F00, X00; and Beautifil Flow Plus X F03, X03) were used. For the toothbrush abrasion test, the standard cavity (4 mm in diameter and 2 mm in depth) formed on the ceramic block was filled with each flowable resin composite (n = 10) and brushed for up to 40,000 strokes in a suspension containing commercial toothpaste under the conditions of 500 g load, 60 strokes/min, and 30 mm stroke distance. After every 10,000 strokes, the brushed surface of the specimen was impressed with a silicone rubber material. The amount of toothbrush-induced abrasion observed on each impression of the specimen was measured using a wide-area 3D measurement device (n = 10). The viscosity was determined using a cone-and-plate rotational measurement system. Because of the effect of different shear rates on viscosity and clinical use, the values 1.0 and 2.0 s<sup>−1</sup> were adopted as data (n = 6). In this study, the results of the toothbrush abrasion test demonstrated no significant differences in the amount of toothbrush-induced abrasion among flowable resin composites used (<i>p</i> > 0.05). No significant correlation was reported between toothbrush-induced abrasion and viscosities of flowable resin composites.
format	article
author	Yuko Miyano Masaya Suzuki Koichi Shinkai
author_facet	Yuko Miyano Masaya Suzuki Koichi Shinkai
author_sort	Yuko Miyano
title	Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
title_short	Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
title_full	Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
title_fullStr	Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
title_full_unstemmed	Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro
title_sort	toothbrush abrasion of restorations fabricated with flowable resin composites with different viscosities in vitro
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1868b1c9ea79429a9da7fb2cc84ac70a
work_keys_str_mv	AT yukomiyano toothbrushabrasionofrestorationsfabricatedwithflowableresincompositeswithdifferentviscositiesinvitro AT masayasuzuki toothbrushabrasionofrestorationsfabricatedwithflowableresincompositeswithdifferentviscositiesinvitro AT koichishinkai toothbrushabrasionofrestorationsfabricatedwithflowableresincompositeswithdifferentviscositiesinvitro
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Toothbrush Abrasion of Restorations Fabricated with Flowable Resin Composites with Different Viscosities In Vitro

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