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Dent. J., Volume 1, Issue 1 (March 2013), Pages 1-11

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Editorial

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Open AccessEditorial Dentistry ― At the Heart of Conflict between Medicine and Technology
Dent. J. 2013, 1(1), 1-2; doi:10.3390/dj1010001
Received: 8 June 2012 / Accepted: 19 June 2012 / Published: 19 June 2012
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Abstract As the first Editor-in-Chief of Dentistry Journal, I would like to provide a few comments about this field of research and practice. Evolved from a purely technical profession, dentists are nowadays exposed to a variety of different challenges. [...] Full article

Research

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Open AccessArticle Color Parameters of the Chromascop Shade Guide
Dent. J. 2013, 1(1), 3-11; doi:10.3390/dj1010003
Received: 21 November 2012 / Revised: 12 December 2012 / Accepted: 17 December 2012 / Published: 21 December 2012
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Abstract
The purposes of this study are: (1) determine the color of the twenty shades in the Ivoclar’s Chromascop shade guide, (2) determine the color representation of the shade guide described as coverage error (CE), and (3) compare this shade guide with the [...] Read more.
The purposes of this study are: (1) determine the color of the twenty shades in the Ivoclar’s Chromascop shade guide, (2) determine the color representation of the shade guide described as coverage error (CE), and (3) compare this shade guide with the Vita Classical and Bioform shade guides. The spectral data was collected using Beckman model DU reflectance spectrophotometer equipped with an integrating sphere. Commission International de l’Eclairage (CIE) chromaticity coordinates were calculated using CIE illuminant C and 1931 observer data, then converted to CIE L*a*b* and Munsell notation. Each shade was spectrophotometrically compared to the published colors of 335 human teeth. The minimum CIE L*a*b* color difference was calculated for each tooth and the average of these color differences was defined as the CE. The measured colors of the Chromascop guide had a CIE L* range of 79.67 to 65.61, an a* range of -0.71 to 3.85, and a b* range of 14.58 to 27.69. The average CE of the Chromascop shade guide was 3.38. The Chromascop shade guide has similar colors and a CE compared with the Bioform and Vita Classical shade guides, but with some shades of higher red and yellow components. Full article

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