How does Nitinol Memory Alloy work?
A shape memory alloy is Nitinol. This is a unique alloy that automatically returns its plastic deformation back to the original shape when heated up. The alloy’s expansion rate exceeds 20%. It has an average fatigue life of 1*10 to 7. It has 10x better damping than standard springs. Additionally, it resists corrosion and can meet 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 loss of tension are some characteristics of the Nitinol wire spring. The corrective force released is 2.5-4 times greater than stainless steel wire. In orthodontic treatment the patient has light pain but feels lasting and soft. The follow-up is shorter, which 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- and superelasticity properties, and because it is less strain than other curves, the Nitinol Archwire is often used clinically as an initial arch. The patient will feel much less discomfort when they use silk. MBT technology, which uses 0.016 inches of heat activated titanium alloy archwire (HANT wire), 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 (phase transition temperature at about 40 degrees). Super-elastic Nitinol Arch wire should also be used for alignment and leveling.
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