Related Experiment Videos
Basic properties of super-elastic Ni-Ti alloy ligature wires for a new intermaxillary fixation method
T Yoneyama1, H Doi, H Hamanaka
1Division of Metallurgy, Tokyo Medical and Dental University, Japan.
Biomaterials
|January 1, 1994
Summary
A novel continuous wiring technique using super-elastic nickel-titanium (Ni-Ti) alloy wires offers safer intermaxillary fixation. This method ensures easy emergency removal and uniform fixation, enhancing patient safety during recovery.
Area of Science:
- Materials Science
- Biomedical Engineering
- Orthodontics
Background:
- Intermaxillary fixation is crucial for jaw fracture repair but poses risks during emergencies.
- Current methods may complicate emergency removal, necessitating safer alternatives.
Purpose of the Study:
- To develop and evaluate a new continuous wiring method for intermaxillary fixation using super-elastic nickel-titanium (Ni-Ti) alloy ligature wires.
- To investigate the material properties of Ni-Ti alloy wires relevant to this application.
Main Methods:
- Differential scanning calorimetry to determine transformation temperatures.
- Three-point bending tests to assess flexibility.
- Fastening tests to evaluate recoverable displacement and fixation properties.
Main Results:
- Ni-Ti alloy wires exhibited super-elasticity at body temperature.
- The wires demonstrated sufficient flexibility for continuous wiring.
- Significant recoverable displacement was observed in fastening tests, indicating reliable fixation.
Conclusions:
- The developed Ni-Ti alloy continuous wiring method provides a safer alternative for intermaxillary fixation.
- The super-elastic properties ensure uniform fixation and facilitate easy removal in emergencies.