The TFRK – Terauchi File Retrieval Kit
Terauchi File Retrieval Kit is a specialized dental gutta percha removal instrument designed for the reaming of rotted endodontic files or separate from the internal root canals of the teeth. This kit is a valuable instrument in endodontics, to maintain the integrity of the root canal during the fundamental treatment. Minimally invasive, safe, and efficient:
How the Terauchi File Removal Kit Works
The Terauchi File Removal Kit is designed for predictable removal of fractured endodontic instruments from the root canal system.
The system typically involves:
- Creating straight-line access to the broken instrument
-
Exposing the coronal part of the fragment using ultrasonic tips
-
Engaging the fragment with the Terauchi loop device
-
Extracting the broken instrument safely
The kit can also assist in gutta-percha removal during retreatment procedures.
Clinical Applications
The Terauchi kit is used for:
-
Removal of fractured endodontic files
-
Retrieval of separated rotary instruments
-
Root canal retreatment procedures
-
Removal of gutta-percha obstruction
-
Removal of metal fragments in canals
The definitive solution for the removal of broken instruments.
Compatible with: EMS / SATELEC®
Gutta Percha Removal Hand Instrument
The TFRK-GPR is a versatile and precision-engineered gutta percha removal instrument designed for efficient File Removal of filling material remnants, necrotic pulp tissues, and debris in narrow canal spaces.

Key Features:
- Crafted from high-quality stainless steel for durability and longevity
- 4% taper design for optimal maneuverability in the canal
- Pre-curvable to match individual canal curvatures
- Dual-ended with delta cones (max. diameter: 0.35mm) for versatile application
- Smaller size pyramidal tip for easy scraping of gutta-percha root fillings from canal walls
This instrument is an essential tool for endodontists and dental professionals seeking precise control and effective cleaning during root canal procedures.
TFRK-Micro-Explorer (TFRK-ME)
The TFRK-ME is an advanced dental explorer designed for intricate canal navigation and obstruction detection. Its unique features make it invaluable for challenging endodontic cases.

Key Features:
- Constructed from durable stainless steel
- Double-ended design for increased versatility
- Ultra-sharp 0.1mm-diameter tips for exceptional precision
- 6% taper for improved canal access
- Smooth-surfaced spear-shaped tips to minimize trauma
- Can be pre-curved to match canal curvature
Ideal Applications:
- Bypassing ledged canals
- Exploring canals for broken files or other impediments
- Locating original canals in cases of ledge formation
- Reducing ledges through controlled push-pull strokes
The TFRK-ME is an essential tool for endodontists dealing with complex canal anatomies and obstructions.
TFRK-Micro-Trephine Bur (TFRK-MT)
The TFRK-MT is a specialized micro-trephine bur designed for the precise removal of broken files in root canals. Its unique dimensions and operational specifications make it a crucial instrument for challenging file retrieval cases.

Key Specifications:
- Inner diameter: 0.5mm
- Outer diameter: 0.8mm
- Operational depth: 1mm
Optimal Usage Conditions:
- Suitable for canals with curvature <15°
- Ideal for broken files with a coronal diameter of 0.45mm
- Recommended rotation: 600 rpm counterclockwise
- Short in/out motion technique
Procedure Notes:
- Use after canal enlargement with MGG #3 rotating at 2500 rpm
- For canals with curvature >15°, use a size #60/.02 taper flexible NiTi rotary file for an initial enlargement
Modified Gates Glidden Drill #3 (MGG #3)
The Modified Gates Glidden Drill #3 (MGG #3) is a specialized adaptation of the traditional Gates Glidden Drill, designed for precise canal enlargement in preparation for broken file removal.

Key Features:
- Modified design with the pilot tip removed
- Tip diameter: 0.45 mm
- Creates a funnel shape in the canal
Optimal Usage:
- Rotation speed: 2500 rpm clockwise
- Use with a brushing motion against the outer wall
- Enlarges the root canal to at least 0.45 mm diameter
The MGG #3 is an essential tool for creating adequate space for subsequent instruments in broken file removal procedures.
The K-Endo is an advanced nickel-titanium rotary instrument designed for challenging canal enlargement scenarios, particularly in broken file removal cases.
Key Specifications:
- Material: NiTi in martensitic phase at 37°C
- Taper: 2%
- Size: 60
- Length: 25mm
Optimal Usage:
- Rotation speed: 500 rpm counterclockwise
- Ideal for cases where the broken file’s coronal diameter is >0.45 mm
- Suitable for canals with curvature >15°
This instrument offers enhanced flexibility and cutting efficiency for complex canal preparations.
Broken File Removal Tips (E87, E88, E89)
TFRK-Katana Vertical (TFRK-Katana V or E88) and TFRK-Katana Horizontal (TFRK-Katana H or E89)
These specialized ultrasonic tips are designed for precise removal of broken files within root canals.

Key Features:
- Extremely thin sword-shaped tips
- Create a 90-degree semicircular ditch on the inner wall of the broken file
- Can be pre-curved to adapt to canal curvature
- Used with ultrasonic activation
Optimal Usage:
- Direct flat surface towards the broken file from the inner canal wall
- Ideal for creating initial space around broken files
TFRK-Straight (TFRK-S or E87)
The TFRK-Straight is a versatile ultrasonic tip for various endodontic procedures.

Key Features:
- Extremely sharp cone-shaped tip
- 0.1 mm diameter tip with 1% taper
- Pre-curvable to adapt to canal curvature
Applications:
- Extend grooved space to a 180° semicircular ditch
- Remove broken files
- Create space between canal wall and gutta-percha for TFRK-GPR introduction
- Remove necrotic pulp tissues and debris from isthmuses or thin spaces
The TFRK-Loop is an innovative tool designed for retrieving broken files in challenging situations.
Key Features:
- Adjustable loop size to match broken file diameter
- Bent to 45 degrees for easy placement
- Replaceable loop cannula
- Two loop wire sizes: 0.12 mm and 0.08 mm
- Maximum microtube diameter: 0.5 mm
- Microtube length: 23 mm
- Pre-curvable microtube for easier canal placement
Optimal Usage:
- For broken files longer than 4.5 mm
- When ultrasonic attempts fail to remove the file within 10 seconds
Brownie Polishing Point (TFRK-P)
The Brownie Polishing Point is a versatile tool for maintaining and optimizing ultrasonic tips.

Key Features:
- Silicone rubber-based material
- Used with a straight handpiece
Applications:
- Sharpening ultrasonic tips to desired shapes
- Polishing tips to enhance sharpness
This tool is essential for maintaining the effectiveness and longevity of ultrasonic endodontic instruments.
The TFRK-MT is an indispensable tool for endodontists facing the challenge of broken file removal in root canal treatments made by Woodpecker
Frequently Asked Questions about TRFK
What is the Terauchi File Removal Kit used for?
The Terauchi kit is used to remove broken endodontic instruments from root canals using a loop device and ultrasonic preparation.
Can the Terauchi kit remove rotary files?
Yes. The system can retrieve separated rotary NiTi instruments and other fractured endodontic tools.
Is the Terauchi kit used for gutta-percha removal?
Yes. The kit can assist in removing gutta-percha during retreatment procedures.
What instruments are included in the Terauchi kit?
Typical kits include loop devices, microtubes, ultrasonic tips, and retrieval tools.


















Mario Cenna (verified owner) –
Ottimo Kit
Dr. Anna Liebetrau (verified owner) –
Awesome kit, fast delivery.