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International Journal of Computerized Dentistry

Edited by B. Reiss, K. Wiedhahn, and O. Schenk

Official publication of the International Society of Computerized Dentistry

ISSN 1463-4201


Winter 2010
Volume 13 , Issue 4

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Color correspondence of different batches of TriLuxe CAD/CAM ceramic blocks

Vichi, Alessandro / Carrabba, Michele / Louca, Chris / Corciolani, Gabriele / Ferrari, Marco

Pages: 331 - 340

TriLuxe ceramic blocks for chairside CAD/CAM procedures are color layered to allow natural esthetics, and only require subsequent glazing. The purpose of this study was to compare color repeatability of different batches of TriLuxe blocks. The three commercially available shades (1M2C, 2M2C, 3M2C) of TriLuxe blocks for the Cerec CAD/CAM system were examined. For each of the three colors, three different batches were tested, 5 blocks each. The measurements were made using a spectrophotometer equipped with an integrating sphere using the CIELab colorimetric system. One-way ANOVA showed that the factor Production Batch was not statistically significant. Regarding ΔE, none of the 315 color comparisons (neither within the same shade, nor between specimens of the same batch, nor between specimens from different batches) exceeded the proposed ΔE=3.3 threshold for clinical acceptability. All the different batches of the different shades of VITA TriLuxe blocks for the Cerec system showed the high degree of color correspondence necessary in industrially prefabricated CAD/CAM blocks.

Keywords: ceramic, color, CAD/CAM, chairside, Cerec, spectrophotometer

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