Assessment of bleaching procedures on the optical properties, surface roughness and microhardness of single-shade resin composites: an in-vitro study.

BMC Oral Health · 2026 · PMC12874974 · PMID 41501715

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showed a trendno p-value reported

Time also had no significant effect, although all materials showed a trend of roughness increasing after staining and decreasing after bleaching.

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