期刊
DENTAL MATERIALS JOURNAL
卷 31, 期 5, 页码 879-884出版社
JAPANESE SOC DENTAL MATERIALS DEVICES
DOI: 10.4012/dmj.2012-082
关键词
Silorane-based resin composite; Color stability; Translucency parameter
The purpose of this study were to evaluate the discoloration of a silorane-based resin and two methacrylated-based resin composites upon exposure to different staining solutions coffee, red wine, porcine liver esterase and distilled water for 7 days. The colors of all specimens before and after storage in the solutions were measured by a spectrophotometer based on CIE Lab system, and the color differences thereby calculated. Data were statistically analyzed by ANOVA and Scheffe's test. For coffee and red wine, the mean color change in silorane-based resin was significantly lower than that in methacylate-based resin composites (p<0.05). For porcine liver esterase and distilled water, there was no significant difference in the mean values of color change between silorane- and methacrylate-based resin composites (p>0.05). In conclusion, the silorane-based resin composites exhibited better color stability (less Delta E) after exposure to the colored staining solutions.
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