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Volume: 4 | Article ID: art00064
Influence of the size and distribution of filler particles on the colour of resin composites
  DOI :  10.2352/CGIV.2008.4.1.art00064  Published OnlineJanuary 2008

Resin composites are the most used biomaterials in dental restoration. A general new methodology based in high contrast Fe-SEM (Field emission scanning electron microscope) images is proposed to characterize the distribution and size of the particles of resin composites for the evaluation of their influence on the color of these materials. The digital images were treated and analyzed using the public domain software ImageJ. The color coordinates in CIELAB were obtained using a spectroradiometer with the experimental conditions recommended by the CIE. The results show that the color coordinates of resin composites are more influenced by the particle size than by the amount of filler particles or the filler distribution. This proposed method can be used for the analysis of other biomaterials in which the color is an important parameter.

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R. Ghinea, L. Ugarte-Alván, A.M. Ionescu, J.C. Cardona, A. Yebra, M.M. Pérez, "Influence of the size and distribution of filler particles on the colour of resin compositesin Proc. IS&T CGIV 2008/MCS'08 4th European Conf. on Colour in Graphics, Imaging, and Vision 10th Int'l Symp. on Multispectral Colour Science,  2008,  pp 296 - 299,

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