Journal
MATERIALS
Volume 14, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/ma14133758
Keywords
orthodontic wires; corrosion; electrochemical test; ICP-MS analysis; Mini Cell System
Categories
Funding
- German Research Foundation (DFG)
- Open Access Publication Fund of Charite -Universitatsmedizin Berlin
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This study developed a new setup to evaluate commercially available orthodontic wires, testing metal alloy materials under extreme conditions to simulate their behavior in the mouth. The electrochemical testing and surface analysis revealed the corrosion behavior and ion release of the wires, providing valuable insights for dental material selection for patients with underlying health conditions.
The aim of this study was to create a new reliable setup to evaluate commercially available orthodontic wires used during orthodontic treatment. The setup includes various techniques applied for testing metal alloy materials. The materials were tested under extreme conditions to simulate their behavior in the mouth. The alloy composition of each wire was tested. The electrochemical (EC) testing and characterization of the corrosion performance of the wires was calculated by the electrochemical curves at pH = 1 in two different applied potentials to test the reaction of the material. The liquid collected after the EC measurements was analyzed by inductively coupled plasma-mass spectrometry (ICP-MS) to verify the reliability of the EC curves and for a more accurate evaluation of the corrosion behavior of the wires. Therefore, the EC measurements were compared to the actual values obtained from the released ions found in the solution. At the end, a surface analysis was performed to detect corrosion on the wires. In conclusion, this study developed a setup to test and better understand the corrosion behavior and ion release of the orthodontic wires, metal alloy dental materials, and other metals used in the oral cavity. This method can contribute to dental material selection in patients with underlying health conditions.
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