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http://dx.doi.org/10.14368/jdras.2015.31.1.20

Spectrophotometric analysis of feldspathic porcelain with silver ion  

Kim, Jihyun (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Song, Kyeongwoo (Alphadent)
Noh, Sera (NCL Korea)
Yun, Kyelim (NCL Korea)
Yun, Kwidug (Department of Prosthodontics, School of Dentistry, Chonnam National University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.31, no.1, 2015 , pp. 20-25 More about this Journal
Abstract
Purpose: This study was evaluated the shade of feldspathic porcelain with various concentration of silver ion. Materials and Methods: The control group was conventional feldspathic porcelain with no silver ion, the experimental groups were the feldpathic porcelain with 5%, 10%, 20%, 30% silver ion. The number of specimens on the each group was 5. Commission Internationale de I'Eclairage (CIE) $L^*a^*b^*$ parameters were recorded twice for each specimen with a spectrophotometer (Model CM-2600d, Minolta, Japan). One-way Anova was used for statistical analysis. Results: L value was similar. a value was increasing and b value was decreasing with silver ion statistically significantly. ${\Delta}E$ was increasing according to silver ion significantly. Conclusion: The shade of feldspahtic porcelain was influenced by silver ion. Ag ion under 10% concentration is acceptable clinically.
Keywords
feldspathic porcelain; silver ion; shade; esthetic properties;
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