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Hero 642 : efficient endodontics the simple way |  |
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The most important feature of the HERO 642® is the material it is made of, Nickel-Titanium.
Endodontic Nickel-Titanium was developed from "Nitinol" wire used in orthodontics. First researched in 1988, it has been used in endodontics
in the USA since 1992.
The HERO 642® is a new MICRO-MEGA instrument made up of Nickel-Titanium alloy.
It is used in an endo contra-angle in a rotary motion to guarantee the correct speed of 300-600 rpm.
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Nickel-Titanium (NiTi) is :
• A "super-elastic", very flexible alloy,
• With memory: it returns to its original shape after bending or deformation,
• Very resistant to fatigue,
• Biocompatible and no corrosive.
All these qualities make it an ideal alloy for endodontics, because it is unlikely to ledge, transport or perforate even in very curved canals.
NiTi allows a better distribution of forces along the whole length of the blade (elasticity); the resistance which exists with stainless steel
blades disappears. The blade flows easily into the canal without catching.
HERO (High Elasticity in Rotation) 642® (.06,.04, and .02 tapers) is used in a "crown-down" technique, between 300 and 600 rpm in a
standard slow-speed contra-angle ( for 2,35 burs) on air-driven or electric motors.
We recommend the selected speed is kept constant. |
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Site updated on
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