2022
DOI: 10.1590/0366-69132022683853190
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Abstract: This study evaluated how the background (white or gray) affects the color parameter measurements and color difference calculations (∆E ab and ∆E 00 ) of dental ceramics. Disc-shaped feldspathic ceramic specimens were prepared with two shades (enamel and dentin) and stained in red wine (7-day immersion). A spectrophotometer was used to perform color measurements (CIEL*a*b* coordinates) over gray and white backgrounds after the specimen preparation and after staining. The color difference was calculated with CIE… Show more

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