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KMID : 1004520150310010020
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Journal of Dental Rehabilitation and Applied Science
2015 Volume.31 No. 1 p.20 ~ p.25
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Spectrophotometric analysis of feldspathic porcelain with silver ion
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Kim Jee-Hyun
Song Kyeong-Woo
Noh Se-Ra
Yun Kye-Lim
Yun Kwi-Dug
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Abstract
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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. ΔE 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.
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KEYWORD
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feldspathic porcelain, silver ion, shade, esthetic properties
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