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Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites

The aim of this study was to evaluate the correlation between the percent of inorganic filler by weight (wt. %) and by volume (vol. %) of 11 flowable resin composites (FRCs) and their mechanical properties. To establish the correlation, the quantity of inorganic filler was determined by combustion a...

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Autores principales: Mirică, Ioana-Codruţa, Furtos, Gabriel, Bâldea, Bogdan, Lucaciu, Ondine, Ilea, Aranka, Moldovan, Mărioara, Câmpian, Radu-Septimiu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7142558/
https://www.ncbi.nlm.nih.gov/pubmed/32213949
http://dx.doi.org/10.3390/ma13061477
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author Mirică, Ioana-Codruţa
Furtos, Gabriel
Bâldea, Bogdan
Lucaciu, Ondine
Ilea, Aranka
Moldovan, Mărioara
Câmpian, Radu-Septimiu
author_facet Mirică, Ioana-Codruţa
Furtos, Gabriel
Bâldea, Bogdan
Lucaciu, Ondine
Ilea, Aranka
Moldovan, Mărioara
Câmpian, Radu-Septimiu
author_sort Mirică, Ioana-Codruţa
collection PubMed
description The aim of this study was to evaluate the correlation between the percent of inorganic filler by weight (wt. %) and by volume (vol. %) of 11 flowable resin composites (FRCs) and their mechanical properties. To establish the correlation, the quantity of inorganic filler was determined by combustion and shape/size analyzed by SEM images. The compressive strength (CS), flexural strength (FS), and flexural modulus (FM) were determined. The CS values were between 182.87-310.38 MPa, the FS values ranged between 59.59 and 96.95 MPa, and the FM values were between 2.34 and 6.23 GPa. The percentage of inorganic filler registered values situated between 52.25 and 69.64 wt. % and 35.35 and 53.50 vol. %. There was a very good correlation between CS, FS, and FM vs. the inorganic filler by wt. % and vol. %. (R(2) = 0.8899–0.9483). The highest regression was obtained for the FM values vs. vol. %. SEM images of the tested FRCs showed hybrid inorganic filler for Filtek Supreme XT (A3) and StarFlow (A2) and a homogeneous type of inorganic filler for the other investigated materials. All of the FS values were above 50 MPa, the ISO 4049/2019 limit for FRCs.
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spelling pubmed-71425582020-04-15 Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites Mirică, Ioana-Codruţa Furtos, Gabriel Bâldea, Bogdan Lucaciu, Ondine Ilea, Aranka Moldovan, Mărioara Câmpian, Radu-Septimiu Materials (Basel) Article The aim of this study was to evaluate the correlation between the percent of inorganic filler by weight (wt. %) and by volume (vol. %) of 11 flowable resin composites (FRCs) and their mechanical properties. To establish the correlation, the quantity of inorganic filler was determined by combustion and shape/size analyzed by SEM images. The compressive strength (CS), flexural strength (FS), and flexural modulus (FM) were determined. The CS values were between 182.87-310.38 MPa, the FS values ranged between 59.59 and 96.95 MPa, and the FM values were between 2.34 and 6.23 GPa. The percentage of inorganic filler registered values situated between 52.25 and 69.64 wt. % and 35.35 and 53.50 vol. %. There was a very good correlation between CS, FS, and FM vs. the inorganic filler by wt. % and vol. %. (R(2) = 0.8899–0.9483). The highest regression was obtained for the FM values vs. vol. %. SEM images of the tested FRCs showed hybrid inorganic filler for Filtek Supreme XT (A3) and StarFlow (A2) and a homogeneous type of inorganic filler for the other investigated materials. All of the FS values were above 50 MPa, the ISO 4049/2019 limit for FRCs. MDPI 2020-03-24 /pmc/articles/PMC7142558/ /pubmed/32213949 http://dx.doi.org/10.3390/ma13061477 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Mirică, Ioana-Codruţa
Furtos, Gabriel
Bâldea, Bogdan
Lucaciu, Ondine
Ilea, Aranka
Moldovan, Mărioara
Câmpian, Radu-Septimiu
Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title_full Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title_fullStr Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title_full_unstemmed Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title_short Influence of Filler Loading on the Mechanical Properties of Flowable Resin Composites
title_sort influence of filler loading on the mechanical properties of flowable resin composites
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7142558/
https://www.ncbi.nlm.nih.gov/pubmed/32213949
http://dx.doi.org/10.3390/ma13061477
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