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KMID : 08793198919890000695
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Annuals of Clinical Study - Seoul National Hospital
1989 Volume.1989 No. 0 p.695 ~ p.708
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A Study on the Staining Property of Lightcured Dental Composite Resins
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Kwack Young-Sook
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Abstract
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The purpose of this study was to evaluate the staining property of light-cured dental composite resins in various solutions..
Six kinds of light-cured dental composite resins were used in this study. Specimens (diameter 20mm, thickness 1.3mm) were immersed in 2% coffee solution, cola, distilled water, orange juice, soy sauce solution and tea solution for 1, 2, 3 and 4 weeks. The value of, Hunter´s color difference (SE) was measured by spectrophotometer (MS-2000, Macbeth, U.S.A.) with integrating sphere.
Obtained results were as follows:
1. Staining of light-cured composite resins was higher in coffee, tea and soy sauce solution.
2. Light-cured composite resins were stained much after one week and thereafter the degree of staining was not much increased as in the first week.
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