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Material guide

Nanofilled Composite

A nanofilled composite was evaluated in direct posterior restorations and in tests of colour change and microhardness after bleaching.

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The short answer

Nanofilled composite is a dental composite evaluated in direct posterior restorations and in tests of bleaching-related colour change and microhardness.

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Nanofilled Composite dental educational illustration

What is nanofilled composite?

The two research settings
SettingFocus
Posterior restorationsA systematic review includes nanofilled resin-based composite in direct posterior restorations.[1][2]
Bleaching testA nanocomposite was tested for colour change and microhardness after bleaching regimens.[1][2]

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Bleaching groups used in the laboratory test
GroupMaterial used
ControlArtificial saliva at 37 degrees C was used as the control.[1][2]
Bleaching groupsThe test used hydrogen peroxide at 7% and 35%, plus carbamide peroxide at 10% and 35%.[1][2]

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Which properties were tested after bleaching?

The laboratory study measured colour with the CIELAB colour scale and measured surface microhardness with Vickers hardness measurements. It compared values before and after storage and bleaching.

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Where is nanofilled composite assessed?

Nanofilled resin-based composite is included in a systematic review of direct restorations in posterior teeth. The bleaching experiment used nanocomposite resin specimens made with Filtek Supreme XT.

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Which related composites appear in the review?

The direct-restoration review compares nanofilled, nanohybrid and hybrid resin-based composites. The bleaching experiment focuses specifically on a nanocomposite resin.

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What did the bleaching experiment find?

The nanocomposite samples showed no significant alteration in colour or microhardness after bleaching in that experiment. The report concludes that replacing the tested restorations after bleaching was not required.

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What was monitored during bleaching research?

The study examined four bleaching regimens for their effect on colour changes and microhardness of dental nanofilled composite. The results compared colour difference and Vickers hardness values among the groups.

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Frequently asked questions

Did bleaching change the tested nanofilled composite?

In the reported experiment, the nanocomposite samples had no significant alteration in colour or microhardness after bleaching.

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