Publication: Mechanical properties of several NiTi alloy wires in three-point bending tests
12
Issued Date
2011-09-23
Resource Type
ISSN
16627482
16609336
16609336
Other identifier(s)
2-s2.0-80052917285
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Mahidol University
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SCOPUS
Bibliographic Citation
Applied Mechanics and Materials. Vol.87, (2011), 14-19
Suggested Citation
Surachai Dechkunakorn, Rutchadakorn Isarapatanapong, Niwat Anuwongnukroh, Nattiree Chiranavanit, Julathep Kajorchaiyakul, Anak Khantachawana Mechanical properties of several NiTi alloy wires in three-point bending tests. Applied Mechanics and Materials. Vol.87, (2011), 14-19. doi:10.4028/www.scientific.net/AMM.87.14 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/11889
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Title
Mechanical properties of several NiTi alloy wires in three-point bending tests
Abstract
Objective: To clarify mechanical properties of 14 superelastic NiTi orthodontic wires by three-point bending tests. Materials and Methods: The three-point bending test was conducted with a midspan deflection rate of 5 mm/min under constant temperature range 36±1°C. Wires were deflected to 3.1 mm. All data were recorded during the unloading process at deflections 3, 2, 1 and 0.5 mm. to simulate the force a wire exerts as a tooth is moved into the dental arch from a position of malocclusion. Results: The delivered forces changed slightly when the deflection varied during loading and unloading. Sentalloy wire applied the lowest continuous force. Conclusions: Commercial wires may not behave similarly due to minor differences in the production process, and force varies greatly from brand to brand. NiTi wire brands must be selected carefully considering the severity of malocclusion and stage of orthodontic treatment. © (2011) Trans Tech Publications.