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Effect of temperature on the orthodontic clinical applications of niti closed-coil springs

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Effect of temperature on the orthodontic clinical applications of niti closed-coil springs

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dc.contributor.author Espinar Escalona, E. es
dc.contributor.author Llamas Carreras, José María es
dc.contributor.author Barrera Mora, José Mª es
dc.contributor.author Abalos-Labruzzi, Camilo es
dc.contributor.author Gil Mur, Francisco Javier es
dc.date.accessioned 2014-05-29T07:11:26Z
dc.date.available 2014-05-29T07:11:26Z
dc.date.issued 2013 es
dc.identifier.citation Espinar Escalona, E. ; Llamas Carreras, José María ; Barrera Mora, José Mª ; Abalos Lasbrucci, Camilo ; Gil Mur, Francisco Javier. Effect of temperature on the orthodontic clinical applications of niti closed-coil springs. En: Medicina oral, patología oral y cirugía bucal. Ed inglesa, 2013, Vol. 18, No. 4: 721-724 es
dc.identifier.uri http://hdl.handle.net/10550/35633
dc.description.abstract NiTi spring coils were used to obtain large deformation under a constant force. The device consists on a NiTi coil spring, superelastic at body temperature, in order to have a stress plateau during the austenitic retransformation during the unloading. The temperature variations induced changes in the spring force. Objectives: The aim of this study is to investigate the effect of the temperature variations in the spring forces and corrosion behaviour simulating the ingestion hot/cold drinks and food. Study D esign: The springs were subjected to a tensile force using universal testing machine MTS-Adamel (100 N load cell). All tests were performed in artificial saliva maintained at different temperatures. The corrosion tests were performed according to the ISO-standard 10993-15:2000. Results: The increase in temperature of 18 o C induced an increase in the spring force of 30%. However, when the temperature returns to 37 o C the distraction force recovers near the initial level. After cooling down the spring to 15 o C, the force decreased by 46%. This investigation show as the temperature increase, the corrosion potential shifts towards negative values and the corrosion density is rising. Conclusions: The changes of the temperatures do not modify the superelastic behaviour of the NiTi closed-coil springs. The corrosion potential of NiTi in artificial saliva is decreasing by the rise of the temperatures. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of temperature on the orthodontic clinical applications of niti closed-coil springs es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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