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Material guide

Epoxy Resin Root Canal Sealer

Epoxy resin sealers provide flow, adhesion and radiopacity in root-canal filling, with limited bioactivity as a recognised trade-off.

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The short answer

Epoxy resin root-canal sealers flow into the prepared canal, adhere to dentin and create a radiopaque seal around the filling core.

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Epoxy Resin Root Canal Sealer dental educational illustration

What is it?

How Epoxy Resin Root Canal Sealer is described
Patient questionWhat the material doesPatient meaning
What is named?Epoxy Resin Root Canal Sealer is the material identified by this page.It is used during root-canal filling.[1][2]
What is assessed?Its flow, adhesion and sealing behaviour are assessed.Its radiopacity helps show the filling on radiographs.[1][2]

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Material and treatment context for Epoxy Resin Root Canal Sealer
Patient questionWhat the material doesPatient meaning
Material questionThe material is assessed as a root-canal sealer.Its role is sealing around the filling core.[1][2]
Treatment questionMaterial choice is considered within the procedure.The sealer is one part of endodontic obturation.[1][2]

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What properties matter?

Epoxy resin sealers have good flow, thin film thickness, low solubility, dimensional stability, sealing capacity and radiopacity. They adhere to dentin and show low toxicity with some antibacterial effects.

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Where is it used?

The sealer is placed with a core during obturation of the root-canal system. Correct obturation with both materials is essential to successful endodontic treatment.

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What are the alternatives?

Calcium-silicate-based sealers form a separate alternative group. Resin-based sealers are valued for physical sealing properties, while calcium-silicate materials are studied for different biological and chemical behaviour.

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What does it mean for a patient?

For a patient, epoxy resin is the sealer component around the root-canal core. It helps fill irregularities and makes the completed filling visible on radiographs through its radiopacity.

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How are longevity and safety considered?

Epoxy resin sealers have reported low toxicity and some antibacterial effects. Their main limitation is the lack of bioactivity and biomineralisation capability, and some newer products have limited long-term information.

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Frequently asked questions

What is the main limitation of epoxy resin sealer?

Its main limitation is the lack of bioactivity and biomineralisation capability, while information on some newer products remains limited.

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Keep reading

symptomTooth Pain After Root CanalconditionPulpitis