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Lookup NU author(s): Dr Sharanbir Sidhu
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Objective. This study evaluated color and translucency changes caused by light curing resin composite materials. Methods. The CIELAB parameters (L*, a* and b*) of disks of A2 and opaque A2 shades of Charisma (Heraeus-Kulzer), Solare (GC) and Filtek Supreme (3M) were evaluated on the backings of black, white and the material itself both before and after light curing to evaluate color and translucency changes (by means of calculating ΔE* and the translucency parameter, respectively). Results. Solare and Filtek Supreme showed significantly smaller color changes during light curing than Charisma; however, the value of ΔE* of all the products/shades was still in the clinically unacceptable range. Regarding translucency changes during light curing, the A2 and opaque A2 shades of Charisma showed a statistically significant increase, although no difference was observed in the other products. Conclusions. Solare and Filtek Supreme tended to show less changes in translucency and color during light curing compared to Charisma. Nevertheless, the changes in color during light curing were still in the range of unacceptable color change. Therefore, direct shade matching of these materials for a precise shade match should be performed by using the cured material.
Author(s): Sidhu SK, Ikeda T, Omata Y, Fujita M, Sano H
Publication type: Article
Publication status: Published
Journal: Operative Dentistry
Year: 2006
Volume: 31
Issue: 5
Pages: 598-603
ISSN (print): 0361-7734
ISSN (electronic): 1559-2863
Publisher: Operative Dentistry
URL: http://dx.doi.org/10.2341/05-109
DOI: 10.2341/05-109
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