Terauchi File Retrieval Kit – Gutta-Percha Removal Hand Instrument

The TFRK Yoshi Terauchi file retrieval kit is a specialized dental 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:

The definitive solution for the removal of broken instruments.

Compatible for: EMS / SATELEC®

Gutta-Percha Removal Hand Instrument

The TFRK-GPR is a versatile and precision-engineered dental instrument designed for efficient 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:

1. Use after canal enlargement with MGG #3 rotating at 2500 rpm
2. 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.