# XP-endo® Finisher

> 3D Canal Cleaning

- **Manufacturer:** FKG Dentaire
- **Motion:** Continuous Rotation
- **Alloy:** MaxWire NiTi
- **Key feature:** Zero-taper sickle-shaped cleaning instrument that expands at body temperature to contact canal walls that standard instruments cannot reach

## Specifications

| File | Tip (mm) | Taper | Length | Cross-section | Motion | Speed (rpm) | Torque | Role |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| XP-endo Finisher 25 | 0.25 | 0% (zero taper) | 21mm, 25mm, 31mm | Sickle-shaped (zero taper, MaxWire) | Continuous Rotation | 800-1000 | 1.0 Ncm | auxiliary |
| XP-endo Finisher 30 | 0.30 | 0% (zero taper) | 21mm, 25mm, 31mm | Sickle-shaped (zero taper, MaxWire) | Continuous Rotation | 800-1000 | 1.0 Ncm | auxiliary |
| XP-endo Finisher R | 0.30 | 0% (zero taper) | 21mm, 25mm, 31mm | Sickle-shaped (zero taper, MaxWire) | Continuous Rotation | 800-1000 | 1.0 Ncm | retreatment |

## Protocol

### Glide Path

1. **Prerequisites** — XP-endo Finisher is used AFTER canal shaping is complete. The canal must be prepared to at least ISO 25 before using the Finisher (per IFU). In multirooted teeth, begin with the largest canal.
   - Canal must be shaped to at least ISO 25 before using XP-endo Finisher (per IFU golden rules)
   - In multirooted teeth, start with the largest canal (per IFU)
   - The canal should contain irrigant, but avoid filling the access cavity with irrigant before inserting the file (per IFU)
   - ⚠ Do not use XP-endo Finisher before canal preparation to at least ISO 25 (per IFU)

### Shaping

1. **File Preparation and Insertion** — Remove the XP-endo Finisher from its sterile blister pack. Cool the file inside its tube using cold spray. Briefly turn on rotation and remove the file from the tube with a lateral movement to keep it straight, then turn off rotation. Insert the straight file into the canal; once the tip is inside, turn on rotation and advance to working length. Add irrigant to the access cavity after insertion (per IFU). _(800-1000 RPM · 1.0 Ncm)_
   - The file is straight at room temperature (M-phase) and expands to its sickle shape at body temperature (A-phase) (per brochure)
   - Cool the file with cold spray before removal from the tube to maintain straightness (per IFU)
   - Touch the tube surface only at its FKG-logo end to avoid warming the file (per IFU)
   - For multirooted teeth, direct the tip toward the mesial aspect for MB/ML/DB canals, palatal for palatal canals (per IFU)

### Finishing

1. **1-Minute Cleaning Protocol** — Use the XP-endo Finisher for approximately 1 minute (~60 strokes), using slow and gentle 7-8 mm longitudinal movements along the full canal length. Make small multidirectional movements to contact all canal walls. Avoid removing the file from the canal during the 1-minute cleaning phase. After 1 minute, remove the file while still in rotation. Irrigate to remove suspended debris. _(File: XP-endo Finisher 25 · 800-1000 RPM · 1.0 Ncm)_
   - Work for approximately 1 minute (~60 strokes) with slow, gentle 7-8 mm longitudinal movements (per IFU)
   - Make small multidirectional movements to contact all canal walls (per IFU)
   - Avoid removing the file from the canal during the cleaning phase (per IFU)
   - After cleaning, irrigate the canal to remove suspended debris, then continue to the next canal (per IFU)
   - ⚠ Remove the file from the canal while it is still in rotation (per IFU)

## Clinical Tips

- XP-endo Finisher operates at 800-1000 RPM with 1.0 Ncm torque (per IFU). Use after any shaping system, not just XP-endo Shaper.
- MaxWire alloy expands at body temperature: the sickle shape reaches up to 6 mm in diameter, approximately 100-fold the reach of a standard instrument of the same size (per brochure).
- Micro-CT studies show standard NiTi files contact only 45-55% of canal walls; the Finisher's expansion addresses the remaining untouched areas (per brochure).
- Effective in irregular canals, oval canals, C-shaped canals, isthmuses, and furcation canals (per brochure).
- XP-endo Finisher R (retreatment variant) is designed for removal of root filling material remnants from canal irregularities.
- Single-use instrument; maximum 4 canals per file (per IFU). Do not reuse.
- After cleaning, dry the canals and seal using gutta percha and sealer. A bioceramic sealer such as TotalFill is preferred (per IFU).

## Warnings

- Single-use only; maximum 4 canals per file (per IFU)
- Use only after canal preparation to at least ISO 25 (per IFU)
- Contains nickel — must not be used on patients with known nickel allergy (per IFU)
- Always inspect instruments before use; discard if visible defects (per IFU)
- Always check expiry date; do not use if packaging is damaged (per IFU)
- Do not reuse or reprocess — single-use instruments must not be retreated (per IFU)

## Contraindications

- Known nickel allergy (per IFU)

## Best for

- final 3D cleaning after any shaping system
- irregular, oval, and C-shaped canal morphologies
- retreatment debris removal (Finisher R variant)

## Technical profile

- **Category:** niche
- **Heat treatment:** MaxWire — MaxWire NiTi (Martensite-Austenite-electropolish-fleX) — straight at room temperature, expands to programmed sickle shape at body temperature.
- **Manufacturing method:** ground
- **Pre-bendable:** no
- **Reuse:** Single-use
- **Motor:** any-rotary
- **Canal suitability:** Curvature: mild, moderate, severe; Canal size: narrow, normal, wide; Calcified canals: no; Retreatment: yes; Conservative access: no
- **Content revision:** 2026-03-22

## FAQ

**What alloy is XP-endo Finisher made from?**

XP-endo® Finisher is manufactured from MaxWire NiTi with max-wire heat treatment.

**How many files are in the XP-endo Finisher sequence?**

The XP-endo® Finisher system includes 3 files: XP-endo Finisher 25, XP-endo Finisher 30, XP-endo Finisher R.

**What motion type does XP-endo Finisher use?**

XP-endo® Finisher uses continuous rotation motion.

**What cases is XP-endo Finisher best for?**

XP-endo® Finisher is best suited for: final 3D cleaning after any shaping system, irregular, oval, and C-shaped canal morphologies, retreatment debris removal (Finisher R variant).

**What speed and torque settings are recommended for XP-endo Finisher?**

Recommended settings: 800-1000 RPM and 1.0 Ncm across the file sequence (refer to official DFU for full per-file parameters).

## References

- [Manufacturer instructions for use (DFU/IFU)](https://www.adamdental.com.au/Documents/FKG%20XP-endo%20Finisher%20IFU.pdf)

## Related

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_Educational reference for dental professionals. Always confirm settings against the official manufacturer instructions for use before clinical procedures._