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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

Publication:
August 1996
Volume 27 , Issue 8

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Color differences between resin composites and shade guides

Kim/Um

Pages: 559-568
PMID: 9161260

The color of manufacturers’ shade guides was compared with the color of the actual resin composites. Five light-activated resin composite products were evaluated. Resin specimens and shade guides of same thickness were measured with a spectrophotomerter. Color differences (AE* values) were more than perceptible in all products. The mean AE* values were least in Z100 and greatest in Herculite XR. Generally, the L* and b* values of the shade guides were higher than those of the resin composites. Some colors showed color differences greater than the acceptable level.

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