Dentsply - ProTaper?Universal Rotary File 21mm F5 - (USA code PTURF521)

• Measures:21 mm F5, 0.50 mm D1 diameter, 0.05 initial taper
• Largest file for extremely wide canals
• Double Yellow colour signifies an extra-large tip diameter
• NiTi offers strength and high flexibility
• Quantity: Contains 6 per pack

The Dentsply ProTaper Universal Rotary Files in the 21 mm F5, Double Yellow configuration provide the largest apical diameter available among the Finishing Files, designed for maximum enlargement and shaping of extremely wide or large root canal systems during advanced endodontic therapy. This Dentsply file is an advanced component of the highly regarded ProTaper Universal system, expertly engineered to provide predictable, efficient, and precise performance in the most expansive canal anatomies.

The F5 file, or Finishing File 5, is essential for teeth that possess naturally broad or pathologically enlarged canal dimensions, ensuring complete removal of infected tissue and adequate preparation for filling material. This file features an impressive D1 diameter of 0.50 mm and an initial taper of 0.05, clearly identified by the distinctive Double Yellow band on the handle for quick and unambiguous clinical identification. The 21 mm working length offers a valuable combination of maneuverability and shaping capability, suitable for a wide array of clinical applications where a shorter, robust file is required.

Each package contains 6 files, providing dental professionals with a necessary and reliable supply for challenging cases requiring extensive apical shaping. Constructed from premium nickel-titanium (NiTi), the F5 file maintains excellent flexibility despite its size, and offers exceptional resistance to cyclic fatigue and stress, which is vital when navigating the dimensions of very wide canals. The file incorporates the system's unique progressively tapered geometry, which maximizes cutting effectiveness, while the non-cutting safety tip ensures the file tracks safely through the entire length of the canal without the risk of deviation or apical transportation.

If you are searching for the best rotary finishing file for extremely wide apical preparation, then the ProTaper Universal F5 file's substantial D1 diameter of 0.50 mm, distinctive Double Yellow coding, and optimized 0.05 taper, which provides predictable and thorough shaping of the broadest canals, is best for you. Dental professionals consistently choose the best Dentsply ProTaper Universal Rotary Files for achieving optimal, reproducible outcomes in the most demanding endodontic scenarios, relying on their proven efficacy and structural integrity.