How does Nitinol Memory Alloy work?
A shape memory alloy is Nitinol. This is an alloy that is capable of automatically restoring its original plastic shape to its original temperature. The alloy’s expansion rate exceeds 20%. It has an average fatigue life of 1*10 to 7. It has 10 times better damping than standard springs. Additionally, it is more resistant to corrosion than medical stainless steel. This makes it a versatile material that can fulfill many engineering requirements. Its unique shape-memory function makes it a great choice for medical applications. Memory alloy is also very resistant to corrosion, wear, and has high damping.
The clinical application of Nitinol Memory alloy
Spring made from nickel-titanium: These springs are for orthodontics. They can open the gaps between teeth, pull teeth in various directions and are very elastic. A nickel-titanium coil spring is capable of producing a force up to 50g when it’s extended by just 1mm. Because of their elastic properties, nickel-titanium coilsprings can generate a force of about 50g when extended by 1mm. It is possible to produce the optimal orthodontic force for moving clinically treated teeth by reducing the attenuation. Conform to the requirements. High elasticity, low deformation rates and low permanent deformation rate make Nitinol wire a tension spring. The corrective force released is 2.5-4 times higher than stainless steel wire. In orthodontic treatment the patient has not only light pain but also feels soft and lasts. The follow-up is shorter, which in turn reduces treatment times and increases the curative effect. The new device is excellent in orthodontic treatment.
It’s used in the alignment and leveling the patients’ dentition. Because of its shape memory and superelasticity, the Nitinol Archwire is often used clinically as an initial arch for orthodontic treatment. The patient will feel much less discomfort when they use silk. MBT technology, which uses 0.016 inches of heat activated titanium alloy archwire (HANTwire), recommends that the DEMON self locking bracket technology use copper-containing heat activated titanium manufactured by Omcro. O-PAK’s correction technology recommends that alloy arch wire be used (the phase transition temperature at 40 degrees) for alignment and leveling.
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