AMEXORS Heat Memory NiTi Rotary Files (SX-F3)

AMEXORS heat memory NiTi rotary files controlled memory01

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AMEXORS Heat Memory NiTi Rotary Files (SX-F3) | Controlled Memory

Solving Severe Curvature Challenges:

Eliminating Apical Transportation: Traditional superelastic files possess a "spring-back" effect, constantly exerting lateral pressure on the outer wall of a curved canal, which leads to ledging and transportation. Our Heat Memory files passively adapt to the curvature, keeping the preparation perfectly centered.
Effortless Posterior Access (Pre-bendable): Navigating second or third molars with limited mouth opening is a clinical struggle. The zero shape memory allows the clinician to pre-curve the file to match the access angle, ensuring smooth entry into difficult orifices.
Maximized Cyclic Fatigue Resistance: The unique martensitic microstructure absorbs immense rotational stress and cyclic fatigue, providing an unprecedented safety margin against file separation in severely curved root canals.

Overview

Redefining Safety with Controlled Memory Technology

The anatomical complexity of severely curved and tortuous root canals demands instruments that transcend traditional metallurgy. The AMEXORS Heat Memory NiTi Rotary Files are engineered with advanced Controlled Memory (CM) technology, shifting the paradigm from rigid superelasticity to passive, shape-adaptive flexibility.

The Science of Zero Shape Memory

Through a highly calibrated proprietary thermomechanical treatment, the crystalline structure of the Nickel-Titanium alloy is altered to remain primarily in the martensitic phase at clinical temperatures. This creates a file with distinct biomechanical advantages:

Unparalleled Centering Ability: Unlike conventional austenitic NiTi files that aggressively try to return to their straight original shape (the shape memory effect), our Heat Memory files remain in the shape of the canal. This eliminates dangerous lateral restoring forces, preventing iatrogenic damage such as zipping, ledging, or strip perforations.
Pre-Bendable Clinical Adaptation: Clinicians can manually pre-curve the file before introducing it into the oral cavity. This feature is indispensable when treating patients with limited interincisal opening or when negotiating abruptly curved molar canals.
Superior Cyclic Fatigue Resistance: The soft, highly ductile nature of the CM alloy allows it to endure significantly more rotational cycles within a curved trajectory before reaching the point of fracture, ensuring maximum patient safety.

Versatile SX-F3 Shaping Protocol

While the metallurgy is revolutionary, the clinical application remains universally familiar. The AMEXORS Heat Memory files integrate seamlessly into the globally recognized SX, S1, S2, F1, F2, F3 shaping sequence. We also offer highly versatile length configurations, including the specialized 28mm length, providing endodontists with the precise dimensions required for varying root anatomies.

Brand: AMEXORS
Metallurgy: Controlled Memory (Heat Memory) Nickel-Titanium Alloy
Phase Status: Martensitic Phase at Body Temperature (Pre-bendable)
Sequence: SX (19/.04), S1 (18/.02), S2 (20/.04), F1 (20/.07), F2 (25/.08), F3 (30/.09)
Available Lengths: 21mm / 25mm / 28mm / 31mm
Recommended Speed: 250 – 350 RPM
Recommended Torque: 1.5 – 3.0 N·cm
Sterilization: Autoclavable (134°C) – Heat application restores the file’s original straight shape.