Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/47674
Title: Effect of Staining and Bleaching on the Microhardness, Surface Roughness and Color of Different Composite Resins
Authors: Karatas, Ozcan
Gul, Pinar
Akgul, Nilgun
Celik, Neslihan
Gundogdu, Mustafa
Duymus, Zeynep Yesil
Seven, Nilgun
Keywords: Surface Roughness
Microhardness
Bleaching
Composite Resin
Color Change
Publisher: Wroclaw Medical Univ
Abstract: Background. There are studies that examined the effect of staining on the surface properties of composite resins, using different solutions and bleaching applications. However, the effect of both staining and bleaching on the same composite specimens is an issue that needs to be investigated. Objectives. The aim of this study was to investigate the surface microhardness, roughness and color changes (Delta E) of 2 different composite resins after staining and bleaching. Material and methods. A microhybrid and a nanohybrid composite were used in the study. One hundred and fifty specimens were prepared from each composite. The specimens were divided into 5 groups and stained for 30 days with tea, coffee, cola, red wine, or distilled water (control). Subsequently, each group was divided into 3 subgroups. Each subgroup received a 14-day application of Opalescence (TM) Boost, Opalescence PF or VivaStyle (R) Paint On Plus bleaching materials. The color as well as surface microhardness and roughness of all specimens were determined at baseline, after staining and after bleaching. Data was analyzed using the repeated-measures analysis of variance (ANOVA) and the Bonferroni method. Results. A statistically significant decrease was observed in the surface microhardness of the microhybrid composite specimens after bleaching (p < 0.05).The highest Delta E values were observed in the red wine groups for both composite resins. Conclusions. Staining and bleaching may affect surface properties and color, depending on the type, filler and matrix content of the composite resin.
Description: Celik, Neslihan/0000-0002-7456-5202; Gundogdu, Mustafa/0000-0003-2527-0392
URI: https://doi.org/10.17219/dmp/131022
ISSN: 1644-387X
2300-9020
Appears in Collections:Diş Hekimliği Fakültesi Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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