European Journal of Prosthodontics and Restorative Dentistry

cover art

Cover Date:
December 2011
Print ISSN:
0965-7452
Vol:
19
Issue:
4

Evaluation of Sorption, Solubility and Staining of Universal and Silorane Resin-Based Composites

Abstract - Resin-based composite staining is a multifactorial phenomenon and can be caused by intrinsic and extrinsic factors. The purpose of this study was to compare staining, sorption and solubility of silorane resin-based and universal resin-based composites. Five different resin-based composites (4 Seasons, Charisma, Filtek Silorane, Filtek Supreme and Grandio) were tested. Twenty five specimens were prepared (10 mm diameter and 1.5 mm thick). To staining test, the specimens were divided into 3 groups (n=5): distilled water (control), coffee and red wine. The specimens were immersed in one of the solutions at 37ºC for 7 days. Using the values of L*, a*, b*, color variation (CIEDE2000) was determined. For sorption and solubility test, the specimens were divided into 2 groups (n=5): with previous desiccation (Group 1) and with no previous desiccation (Group 2). The methodology used for sorption and solubility test was based on ISO 4049:2000. The results presented no significant difference in staining between composites. In sorption and solubility test, Filtek Silorane presented the smallest values, followed by Grandio. Under tested experimental conditions, it is not possible to assert the dependence of staining in sorption that composites are undergone. There was no significant correlation between colour change and sorption values.

KEYWORDS: resin-based composite, sorption, discoloration

Article Price
£15.00
Institution Article Price
£
Page Start
151
Page End
154
Authors
T.E. de Almeida Anfe, C.M. Agra, G.F. Vieira

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