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 File Property

# Heat Treatment

## Definition

A thermal or thermomechanical process applied to NiTi alloys — either before machining (e.g., M-Wire) or after (e.g., Gold treatment) — to modify their phase-transformation behavior. Heat-treated files generally show improved flexibility and cyclic fatigue resistance.

## Related Terms

[Controlled Memory](https://endo-guide.app/glossary/controlled-memory)[Shape Memory](https://endo-guide.app/glossary/shape-memory)[Single-Use](https://endo-guide.app/glossary/single-use)[Reusable](https://endo-guide.app/glossary/reusable)[Cross-Section](https://endo-guide.app/glossary/cross-section)

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