[Back to Glossary](https://endo-guide.app/glossary)

 Concept

# File Separation

## Definition

Fracture and retention of part of a rotary or hand instrument inside the canal. Risk rises with cyclic and torsional fatigue, sharp curves, and overuse; management ranges from bypassing to retrieval or monitoring.

## Clinical Guides

[Complications & Troubleshooting](https://endo-guide.app/complications)

## Related Terms

[Taper](https://endo-guide.app/glossary/taper)[Tip Size](https://endo-guide.app/glossary/tip-size)[Cyclic Fatigue](https://endo-guide.app/glossary/cyclic-fatigue)[Torsional Resistance](https://endo-guide.app/glossary/torsional-resistance)[Glide Path](https://endo-guide.app/glossary/glide-path)[Working Length](https://endo-guide.app/glossary/working-length)

---

Canonical HTML: https://endo-guide.app/glossary/file-separation · Agent guide: https://endo-guide.app/llms.txt