The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia

Aims. This in vitro study aimed to evaluate the effect of the degrees of translucency in different types of monolithic zirconia as well as the aging and surface treatment with airborne particle abrasion on the flexural strength of monolithic zirconia. Materials and Methods. Sixty bar-shaped specimen...

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Autores principales:	Rashin Giti, Benika Abbasi
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Dentistry RK1-715
Acceso en línea:	https://doaj.org/article/cfc1f4398c364d939cff43629cb6092e
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spelling	oai:doaj.org-article:cfc1f4398c364d939cff43629cb6092e2021-11-22T01:11:18ZThe Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia1687-873610.1155/2021/8022430https://doaj.org/article/cfc1f4398c364d939cff43629cb6092e2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/8022430https://doaj.org/toc/1687-8736Aims. This in vitro study aimed to evaluate the effect of the degrees of translucency in different types of monolithic zirconia as well as the aging and surface treatment with airborne particle abrasion on the flexural strength of monolithic zirconia. Materials and Methods. Sixty bar-shaped specimens were fabricated from three different types of presintered monolithic zirconia (n = 20 per group) including low translucent (LT) (DD Bio ZW iso, high strength zirconia, Dental Direkt, Germany), high translucent (HT) (DD Bio ZX2 98, high translucent zirconia, Dental Direkt, Germany), and multilayered system (ML) (DD cubeX2®ML, multilayer, cubic zirconia system, Dental Direkt, Germany). Each monolithic zirconia group was equally subdivided according to be either air-abraded with 110 µm aluminium oxide particles or left untreated (control). After thermocycling, the flexural strength was measured by using a universal testing machine. Two-way ANOVA followed by Tukey’s post hoc and independent samples t-test were used for the statistical analyses (P < 0.05). Results. Surface treatment and types of zirconia were found to have a significant interaction (P = 0.010). Having controlled the effect of surface treatment, the flexural strength of HT and LT zirconia was found to be significantly higher than the ML zirconia system (P ≤ 0.001). Airborne particle abrasion could significantly decrease the flexural strength of monolithic zirconia only in ML zirconia (P = 0.002). Conclusions. Multilayered zirconia system had the lowest flexural strength among all groups. Moreover, the flexural strength of this system was attenuated by surface treatment with airborne particles abrasion.Rashin GitiBenika AbbasiHindawi LimitedarticleDentistryRK1-715ENInternational Journal of Dentistry, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dentistry RK1-715
spellingShingle	Dentistry RK1-715 Rashin Giti Benika Abbasi The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
description	Aims. This in vitro study aimed to evaluate the effect of the degrees of translucency in different types of monolithic zirconia as well as the aging and surface treatment with airborne particle abrasion on the flexural strength of monolithic zirconia. Materials and Methods. Sixty bar-shaped specimens were fabricated from three different types of presintered monolithic zirconia (n = 20 per group) including low translucent (LT) (DD Bio ZW iso, high strength zirconia, Dental Direkt, Germany), high translucent (HT) (DD Bio ZX2 98, high translucent zirconia, Dental Direkt, Germany), and multilayered system (ML) (DD cubeX2®ML, multilayer, cubic zirconia system, Dental Direkt, Germany). Each monolithic zirconia group was equally subdivided according to be either air-abraded with 110 µm aluminium oxide particles or left untreated (control). After thermocycling, the flexural strength was measured by using a universal testing machine. Two-way ANOVA followed by Tukey’s post hoc and independent samples t-test were used for the statistical analyses (P < 0.05). Results. Surface treatment and types of zirconia were found to have a significant interaction (P = 0.010). Having controlled the effect of surface treatment, the flexural strength of HT and LT zirconia was found to be significantly higher than the ML zirconia system (P ≤ 0.001). Airborne particle abrasion could significantly decrease the flexural strength of monolithic zirconia only in ML zirconia (P = 0.002). Conclusions. Multilayered zirconia system had the lowest flexural strength among all groups. Moreover, the flexural strength of this system was attenuated by surface treatment with airborne particles abrasion.
format	article
author	Rashin Giti Benika Abbasi
author_facet	Rashin Giti Benika Abbasi
author_sort	Rashin Giti
title	The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
title_short	The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
title_full	The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
title_fullStr	The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
title_full_unstemmed	The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia
title_sort	effect of translucency and surface treatment on the flexural strength of aged monolithic zirconia
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/cfc1f4398c364d939cff43629cb6092e
work_keys_str_mv	AT rashingiti theeffectoftranslucencyandsurfacetreatmentontheflexuralstrengthofagedmonolithiczirconia AT benikaabbasi theeffectoftranslucencyandsurfacetreatmentontheflexuralstrengthofagedmonolithiczirconia AT rashingiti effectoftranslucencyandsurfacetreatmentontheflexuralstrengthofagedmonolithiczirconia AT benikaabbasi effectoftranslucencyandsurfacetreatmentontheflexuralstrengthofagedmonolithiczirconia
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The Effect of Translucency and Surface Treatment on the Flexural Strength of Aged Monolithic Zirconia

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