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The COLTENE HyFlex CM File Assorted 21 mm is an advanced rotary file system developed for efficient, safe, and conservative root canal preparation. Manufactured from heat-treated Controlled Memory Nickel-Titanium alloy, these files provide exceptional flexibility and fatigue resistance compared with conventional rotary instruments.

Controlled Memory technology enables the files to closely follow the original canal curvature while minimizing procedural errors such as ledging, transportation, canal straightening, and perforation. Their ability to be pre-bent makes them especially effective in negotiating complex root canal anatomies, including severely curved and narrow canals.

The assorted 21 mm sequence is designed to simplify instrumentation through a single-length technique, allowing smooth progression from canal scouting to final shaping. The efficient cutting design ensures effective dentin removal while maintaining canal integrity and reducing unnecessary tooth structure loss.

One of the unique advantages of HyFlex CM files is their regenerative property. Temporary deformation during clinical use is normal, and after autoclave sterilization, the files typically recover their original shape. This feature provides clinicians with visual feedback regarding instrument condition while supporting safe multiple use according to clinical guidelines.

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Hyflex CM File

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