Influence of water sorption on resin composite color and color variation amongst various composite brands with identical shade code: an in vitro evaluation

S. Ardu; D. Gutemberg; I. Krejci; A.J. Feilzer; E. Di Bella; D. Dietschi

doi:10.1016/j.jdent.2011.06.010,

Influence of water sorption on resin composite color and color variation amongst various composite brands with identical shade code: an in vitro evaluation

S. Ardu, D. Gutemberg, I. Krejci, A.J. Feilzer, E. Di Bella, D. Dietschi

Dental Material Sciences

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Objective
The aim of this study was to evaluate the influence of 1 week water storage on color stability of A2 enamel and dentine shade of 13 resin composites intended for anterior restorations and to evaluate the interchangeability of different composite brands of equal color shade.

Methods
6 samples per shade were prepared as 1 mm thick discs of 10 mm diameter. L*a*b* and contrast ratio (CR) were measured immediately after light curing and after 1 week storage in water at 37 °C, in the dark. Then all samples were compared against each other.

Results
The greatest color change was found for Enamel A2 Artemis (ΔE 3.13) with white background whilst the smallest was Dentine A2 Filtek and Voco (ΔE 0.20) with black background.

Significance
Most of resin composite brands showed statistically significant differences between initial and post immersion color values. Some of post ageing dentine and enamel CR values was statistically different amongst them. The color differences in-between all the A2 enamel and dentine composite shades were highly statistically different.

Original language	English
Pages (from-to)	e37-e44
Journal	Journal of Dentistry
Volume	39
Issue number	Suppl. 1
DOIs	https://doi.org/10.1016/j.jdent.2011.06.010,
Publication status	Published - 2011

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10.1016/j.jdent.2011.06.010,

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title = "Influence of water sorption on resin composite color and color variation amongst various composite brands with identical shade code: an in vitro evaluation",

abstract = "ObjectiveThe aim of this study was to evaluate the influence of 1 week water storage on color stability of A2 enamel and dentine shade of 13 resin composites intended for anterior restorations and to evaluate the interchangeability of different composite brands of equal color shade.Methods6 samples per shade were prepared as 1 mm thick discs of 10 mm diameter. L*a*b* and contrast ratio (CR) were measured immediately after light curing and after 1 week storage in water at 37 °C, in the dark. Then all samples were compared against each other.ResultsThe greatest color change was found for Enamel A2 Artemis (ΔE 3.13) with white background whilst the smallest was Dentine A2 Filtek and Voco (ΔE 0.20) with black background.SignificanceMost of resin composite brands showed statistically significant differences between initial and post immersion color values. Some of post ageing dentine and enamel CR values was statistically different amongst them. The color differences in-between all the A2 enamel and dentine composite shades were highly statistically different.",

author = "S. Ardu and D. Gutemberg and I. Krejci and A.J. Feilzer and {Di Bella}, E. and D. Dietschi",

year = "2011",

doi = "10.1016/j.jdent.2011.06.010,",

language = "English",

volume = "39",

pages = "e37--e44",

journal = "Journal of Dentistry",

issn = "0300-5712",

publisher = "Elsevier BV",

number = "Suppl. 1",

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TY - JOUR

T1 - Influence of water sorption on resin composite color and color variation amongst various composite brands with identical shade code: an in vitro evaluation

AU - Ardu, S.

AU - Gutemberg, D.

AU - Krejci, I.

AU - Feilzer, A.J.

AU - Di Bella, E.

AU - Dietschi, D.

PY - 2011

Y1 - 2011

N2 - ObjectiveThe aim of this study was to evaluate the influence of 1 week water storage on color stability of A2 enamel and dentine shade of 13 resin composites intended for anterior restorations and to evaluate the interchangeability of different composite brands of equal color shade.Methods6 samples per shade were prepared as 1 mm thick discs of 10 mm diameter. L*a*b* and contrast ratio (CR) were measured immediately after light curing and after 1 week storage in water at 37 °C, in the dark. Then all samples were compared against each other.ResultsThe greatest color change was found for Enamel A2 Artemis (ΔE 3.13) with white background whilst the smallest was Dentine A2 Filtek and Voco (ΔE 0.20) with black background.SignificanceMost of resin composite brands showed statistically significant differences between initial and post immersion color values. Some of post ageing dentine and enamel CR values was statistically different amongst them. The color differences in-between all the A2 enamel and dentine composite shades were highly statistically different.

AB - ObjectiveThe aim of this study was to evaluate the influence of 1 week water storage on color stability of A2 enamel and dentine shade of 13 resin composites intended for anterior restorations and to evaluate the interchangeability of different composite brands of equal color shade.Methods6 samples per shade were prepared as 1 mm thick discs of 10 mm diameter. L*a*b* and contrast ratio (CR) were measured immediately after light curing and after 1 week storage in water at 37 °C, in the dark. Then all samples were compared against each other.ResultsThe greatest color change was found for Enamel A2 Artemis (ΔE 3.13) with white background whilst the smallest was Dentine A2 Filtek and Voco (ΔE 0.20) with black background.SignificanceMost of resin composite brands showed statistically significant differences between initial and post immersion color values. Some of post ageing dentine and enamel CR values was statistically different amongst them. The color differences in-between all the A2 enamel and dentine composite shades were highly statistically different.

U2 - 10.1016/j.jdent.2011.06.010,

DO - 10.1016/j.jdent.2011.06.010,

M3 - Article

SN - 0300-5712

VL - 39

SP - e37-e44

JO - Journal of Dentistry

JF - Journal of Dentistry

IS - Suppl. 1

ER -

Influence of water sorption on resin composite color and color variation amongst various composite brands with identical shade code: an in vitro evaluation

Abstract

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