ArticleScientific reports2025
Effect of bleaching materials on optical properties and surface roughness of discolored dental ceramics.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
Successful restorative treatment depends on aesthetic, mechanical, and biological properties. This study aimed to evaluate the effect of Hydrogen Peroxide and Sodium Perborate on surface roughness and stain removal from stained ceramics. Thirty-two discs were prepared of feldspar (diameter 6.4 ± 0.2 mm, thickness 2.2 ± 0.1 mm). and lithium desilicated glass ceramic )diameter 7 ± 0.1 mm, thickness 2.2 ± 0.1 mm). Specimens were divided into four groups, based on the type of porcelain and bleaching agent used (n = 8). All the Specimens were immersed in (tea, yogurt, soda, orange juice, and Mulberry juice) respectively for 30 days. Then Hydrogen Peroxide 30% was applied to specimens for 2 h. Sodium Perborate was applied for 14 days/6 hours per day. CIEDE2000 parameters and surface roughness values were recorded at three times; initial baseline color, post staining, and post bleaching. Data were statistically analyzed using paired t-test and ANOVA. There was no significant difference in color changes (∆E
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