Optical Properties of Composite Resins: An In Vitro Investigation of Different Polishing Procedures

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The color stability and translucency of composite resins following coffee immersion depend significantly on the specific type of composite material and the polishing procedure applied. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Merve Ağaccıoğlu; Merve Nur Yılmaz

doi:10.15311/selcukdentj.1802017

August 24, 2026Selcuk Dental JournalOpen Access

Optical Properties of Composite Resins: An In Vitro Investigation of Different Polishing Procedures

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Key Points

To evaluate and compare the color stability and translucency of three different composite resins subjected to various polishing procedures before and after coffee immersion.
Prepared 90 composite resin specimens across three materials (G-aenial Achord, Charisma Topaz One, Charisma Bulk Flow One; n=30 each) and randomly assigned them to three polishing systems (Diamond Polish Mint, Lucida, Super-Snap; n=10 per group).
Measured baseline and post-staining optical values using a spectrophotometer against black and white backgrounds following a 14-day coffee immersion protocol.
Conducted statistical comparisons using Robust ANOVA and post-hoc Bonferroni tests for non-normally distributed data.
Baseline and post-immersion color and translucency variations were documented across all composite resin and polishing system combinations.
Coffee immersion over 14 days produced measurable shifts in composite resin optical properties and translucency parameters depending on the specific polishing regimen utilized.

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Implication

In vitro study evaluates color stability and translucency in composite resins after polishing and coffee immersion, highlighting the impact of finishing techniques on dental aesthetics.

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Cite This Study

Ağaccıoğlu et al. (2026) studied this question.

synapsesocial.com/papers/6a8e9b58451774b83f3b40ae https://doi.org/10.15311/selcukdentj.1802017

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Optical Properties of Composite Resins: An In Vitro Investigation of Different Polishing Procedures

Key Points

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Implication

Discussion

Cite This Study

Optical Properties of Composite Resins: An In Vitro Investigation of Different Polishing Procedures

Key Points

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Implication

Discussion

Cite This Study

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