NiTi Rotary H Files For Endodontic Root Canal Treatment
Material Advantages
Crafted from medical-grade nickel-titanium alloy, it delivers premium elasticity and great cyclic fatigue resistance. It smoothly follows the shape of sharply curved root canals, effectively lowering the chances of canal transportation, perforation and file breakage.
Design Features
- Single-flute spiral structure with a large helix angle
- Hook-shaped sharp cutting edges
- Sparse and deep flutes that offer ample debris clearance space
- Excellent for fast debris removal from root canal walls
- Not suitable for rotary-only operation, which may cause file binding or over-cutting
- Designed primarily for pull-stroke cutting motion
Core Functions
- Rotary NiTi H-file dedicated to endodontic therapy and compatible with all endodontic engine motors, uniquely designed for aggressive dentin debris clearance on canal walls.
- Material Advantages: Manufactured from medical-grade nickel-titanium alloy, it features great flexibility to follow curved canals and cut down risks of perforation and transportation.
- Efficient Debridement: Single hook-shaped spiral flutes generate powerful cutting force during pull strokes to rapidly clear dentin chips. Pure rotary operation is not recommended to avoid file binding and over-cutting.
- Full Size Options: Available in 21mm and 25mm lengths, complete ISO sizes #15–#40 with standardized color coding for instant size recognition.
- Safe Clinical Use: Polished burr-free surface delivers steady cutting, lowering the chance of canal ledging and dentin tearing for safer root canal procedures.
Clinical Use
Preoperative check: Examine the file for distortion or cracks; set appropriate motor torque and speed to lower the risk of file separation.
Glide path establishment: Utilize small files to create a smooth preliminary passage. Avoid forced insertion into curved root canals.
Main debridement operation: Install the H-file on the endodontic motor. Primarily adopt gentle pull-stroke cutting movements; avoid continuous full rotary motion to prevent file binding and over-cutting. Operate step-by-step from small to large sizes with slow, incremental penetration depth.
Intermittent irrigation: Flush the canal with sodium hypochlorite or professional root canal irrigants after every 1–2 files to wash away accumulated dentin debris.
Canal finishing: Complete shaping and polishing of canal walls with matched-size files, effectively minimizing canal ledging and transportation.
Postoperative handling: Confirm unobstructed canal patency and ideal taper. Thoroughly clean, disinfect and store instruments. Track usage cycles and discard files once reaching the service limit.
Product Specifications
| The NiTi Rotary H- Files | 21mm/25mm | #15，#20，#25，#30，#35，#40，#15-#40 |
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