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Influence of the size and distribution of filler particles on the colour of resin composites

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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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Document Type: Research Article

Publication date: January 1, 2008

More about this publication?
  • Started in 2002 and merged with the Color and Imaging Conference (CIC) in 2014, CGIV covered a wide range of topics related to colour and visual information, including color science, computational color, color in computer graphics, color reproduction, volor vision/psychophysics, color image quality, color image processing, and multispectral color science. Drawing papers from researchers, scientists, and engineers worldwide, DGIV offered attendees a unique experience to share with colleagues in industry and academic, and on national and international standards committees. Held every year in Europe, DGIV papers were more academic in their focus and had high student participation rates.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual papers for details.

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