Abstract
Conventional superelastic orthodontic wires are arch-shaped, have the same mechanical properties all along their length and are used to correct the position of teeth. The disadvantage of these archwires is that there are different types of teeth in the mouth and different forces are therefore needed to rectify their position. The aim of this work was to laser weld several types of NiTi orthodontic wires that had different chemical compositions and superelastic properties, in order to adjust their properties to different parts of the mouth. Microstructural changes, transformation stresses and temperatures, variations in corrosion behaviour and ion release were studied in the welded wires.
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The authors thank to CICYT the project MAT2002–04292 your financial support.
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Sevilla, P., Martorell, F., Libenson, C. et al. Laser welding of NiTi orthodontic archwires for selective force application. J Mater Sci: Mater Med 19, 525–529 (2008). https://doi.org/10.1007/s10856-007-0164-8
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DOI: https://doi.org/10.1007/s10856-007-0164-8