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http://dx.doi.org/10.14347/kadt.2011.33.3.219

Evaluation of Color Change According to Coloring Time of Dental Zirconia Block  

Choi, Sung-Min (College of Health Science, Catholic University of Pusan)
Nam, Sang-Yong (Deagu Health College)
Publication Information
Journal of Technologic Dentistry / v.33, no.3, 2011 , pp. 219-224 More about this Journal
Abstract
Purpose: The current study focused on investigating color change of dental zirconia block with respect to the block coloring time. Methods: Three types of dental zirconia blocks(Zirtooth, Pearl-HT, D-Max) were tinted with coloring agent under four different time condition (0 minutes, 1 minutes, 10 minutes, 30 minutes). The quantitative evaluation of the tinted dental zirconia blocks was conducted with spectrophotometer. Results: The Zirtooth and D-Max blocks showed lower H value. The Pearl-HT blocks showed poor reflectivity(L value). Conclusion: The study of color change of zirconia block, which consists the substructure of all ceramic Crown, is applicable for deciding appropriate coloring condition when fabricating one layer ceramic Crown or double layer ceramic Crown.
Keywords
zirconia block; color reproducibility; colored zirconia; spectrophotometer; all-ceramics;
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Times Cited By KSCI : 3  (Citation Analysis)
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