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Dental Nation
Material guide

Fiber-Reinforced Composite

Fibre reinforcement can improve fracture resistance in structurally compromised teeth when placed with the right technique.

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The short answer

Fiber-reinforced composite can improve fracture resistance in structurally compromised teeth, and its placement technique matters.

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Fiber-Reinforced Composite dental educational illustration

What is fiber-reinforced composite?

Two fibre materials and their reported placement
MaterialReported placement
RibbondA single layer can be placed at the cavity floor.[1][2]
EverX PosteriorIt replaces missing dentin in an anatomically shaped form.[1][2]

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What property can it improve?

Both fibre types improved fracture resistance in structurally compromised teeth. The reviewed materials were equally efficient for fracture mode.

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Where can the fibres be placed?

Ribbond can sit as one layer on the cavity floor. EverX Posterior is used to replace missing dentin in an anatomical shape.

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How does it differ from conventional composite?

Studies have compared fibre-reinforced composite with bulk-fill, bulk-fill flowable, and conventional resin composite in endodontically treated teeth.

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Why does the placement method matter?

The two fibre materials use different placement methods: one layer at the cavity floor for Ribbond, or anatomically shaped replacement of missing dentin for EverX Posterior.

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What should be considered for strength and safety?

Fibre reinforcement improved fracture resistance in the reviewed structurally compromised teeth, but the material needs to be applied using its stated technique.

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Findings for the two fibre materials
QuestionFinding
Fracture resistanceBoth fibre types improved fracture resistance.[1][2]
Fracture modeBoth fibre types were equally efficient for fracture mode.[1][2]

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Frequently asked questions

Can fiber-reinforced composite make a weakened tooth more resistant to fracture?

Both fibre types improved fracture resistance in the reviewed structurally compromised teeth.

[1][2]

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