Corrosion-related changes on Ti-based orthodontic brackets in acetic NaF solutions: surface morphology, microhardness, and element release.

@article{Kang2008CorrosionrelatedCO,
  title={Corrosion-related changes on Ti-based orthodontic brackets in acetic NaF solutions: surface morphology, microhardness, and element release.},
  author={Eun-Hee Kang and Soo-byung Park and Hyung-Il Kim and Yong Hoon Kwon},
  journal={Dental materials journal},
  year={2008},
  volume={27 4},
  pages={555-60}
}
This study sought to investigate the effects of acetic NaF solutions on titanium and Ti alloy brackets. To this end, two different brackets were immersed in various NaF-containing solutions for three days. The Equilibrium Ti (EQ) bracket was composed of Ti only, whereas the Ortho 2 (OR) bracket was composed of Ti (base) and Ti-6A1-4V (wings). Brackets that were immersed in the acetic NaF solution of pH 3.5 yielded no reliable surface microhardness values due to corrosion. In other test… CONTINUE READING
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