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The revolutionary EdgeFile X7 uses our own flexible FireWire NiTi forged with our proprietary heat-treating process. The FireWire NiTi Alloy improves strength and flexibility.

Our heat-treating process gives the EdgeFile X7, “Canal Contouring Technology,” making the files extremely flexible and reducing the shape memory and “bounce back” effect of other NiTi files. The flexible EdgeFile™ closely follows the anatomy of the canal without straightening out, reducing the risk of ledging, transportation, and perforation. The flexible shaft reduces the need for excessive straight-line access, allowing more tooth structure to be preserved.

X7 is the most recognized and proven solution. It has repeatedly outperformed competitor files in peer reviewed published research:

The Relevance of Operative Torque and Torsional Resistance of Nickel-titanium Rotary Instruments: A Preliminary Clinical Investigation

Gianluca Gambarini, Gabriele Miccoli, Maurilio D’Angelo, Marco Seracchiani, Federico Valenti Obino, Rodolfo Reda, Luca Testarelli Department of Oral and Maxillo-Facial Sciences, “Sapienza"...

Influence of Different Heat Treatments on Torsional and Cyclic Fatigue Resistance of Nickel-Titanium Rotary Files: A Comparative Study

Gianluca Gambarini, Andrea Cicconetti, Dario Di Nardo , Gabriele Miccoli *, Alessio Zanza, Luca Testarelli and Marco Seracchiani   Abstract: Protaper Universal (PTU), Protaper Gold (PTG)...

Assessment of Real-Time Operative Torque during Nickel–Titanium Instrumentation with Different Lubricants

Alessandro Mazzoni, Andrea Pacifici , Alessio Zanza, Andrea Del Giudice, Rodolfo Reda, Luca Testarelli * , Gianluca Gambarini and Luciano Pacifici Received: 31 July 2020; Accepted: 3 September 2020;...

Evaluation of the Amount of Root Canal Dentin Removed and Apical Transportation Occurrence after Instrumentation with ProTaper Next, OneShape, and EdgeFile Rotary Systems

Abstract Introduction The aim of this study was to evaluate the amount of root canal dentin removed and apical transportation occurrence after instrumentation of mesiobuccal canals of maxillary...

In Vivo Evaluation of Operative Torque Generated by Two Nickel-Titanium Rotary Instruments during Root Canal Preparation

Objectives This in vivo study evaluated the operative torque and preparation time of ProTaper NEXT (Dentsply Maillefer; Ballaigues, Switzerland) and EdgeFile X7 (EdgeEn-do; Albuquerque, New Mexico,...

Torsional resistance of two nickel-titanium rotary instruments: A comparative study

This study explores how heat treatment less significantly influences (increasing or decreasing) torsional resistance when compared to the high increase in flexibility and fatigue resistance reported...

Differences in cyclic fatigue lifespan: WaveOne Gold vs EdgeOne Fire.

Differences in cyclic fatigue lifespan between two different heat treated NiTi endodontic rotary instruments: WaveOne Gold vs EdgeOne Fire. Gambarini G, Galli M, Di Nardo D, Seracchiani M,...

Cyclic Fatigue and Torsional Failure of EdgeTaper Platinum Endodontic Files at Simulated Body Temperature

Ahmed Jamleh, BDS, MSc, PhD, Amjad Alghaihab, DMD,Abdulmohsen Alfadley, BDS, MSc, FRCD(C), Hussam Alfawaz, BDS, MS, Abdullah Alqedairi, BDS, MS, and Khalid Alfouzan, BDS, MSEdIntroduction: The aim...

X7 Features:

  • Proprietary heat treatment process
  • Proprietary heat treatment process- FireWire NiTiTM Alloy improves strength and flexability*
  • Available in .04 and .06 Constant Taper- Variable Pitch
  • Maximum flute diameter 1mm allows for minimally invasive preparation
  • Parabolic Cross Section non cutting tip- Maximizes file cutting efficiency
  • Electropolished file- Increases sharpness and strength
  • Reduced handle length for increased posterior access
  • ISO tip size 17-45
  • Available lengths: 21, 25 & 29 mm

Matching Points

Matching gutta percha points and paper points compliment EdgeFile® systems for a perfect fill. Available in sizes 20, 25, 30, 35, 40, 45 and 50.

Matching Obturators

We have both EdgeCore® and EdgeFill®  for  EdgeFile® in sizes 20, 25, 30, 35, 40, 45 and 50.