Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire
OBJECTIVE: The objective of this study was to test the hypothesis that there is no difference between stainless steel and low-nickel stainless steel wires as regards mechanical behavior. Force, resilience, and elastic modulus produced by Quad-helix appliances made of 0.032-inch and 0.036-inch wires...
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Dental Press Editora
2013-06-01
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doaj-e228cbfddfc54882be9388600f43f8492020-11-25T00:09:34ZengDental Press Editora Dental Press Journal of Orthodontics 2177-67092013-06-01183353810.1590/S2176-94512013000300007S2176-94512013000300007Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wireRogério Lacerda dos Santos0Matheus Melo Pithon1Universidade Federal de Campina GrandeUniversidade Estadual do Sudoeste da BahiaOBJECTIVE: The objective of this study was to test the hypothesis that there is no difference between stainless steel and low-nickel stainless steel wires as regards mechanical behavior. Force, resilience, and elastic modulus produced by Quad-helix appliances made of 0.032-inch and 0.036-inch wires were evaluated. METHODS: Sixty Quad-helix appliances were made, thirty for each type of alloy, being fifteen for each wire thickness, 0.032-in and 0.036-in. All the archwires were submitted to mechanical compression test using an EMIC DL-10000 machine simulating activations of 4, 6, 9, and 12 mm. Analysis of variance (ANOVA) with multiple comparisons and Tukey's test were used (p < 0.05) to assess force, resilience, and elastic modulus. RESULTS: Statistically significant difference in the forces generated, resilience and elastic modulus were found between the 0.032-in 0.036-in thicknesses (p < 0.05). CONCLUSIONS: Appliances made of low-nickel stainless steel alloy had force, resilience, and elastic modulus similar to those made of stainless steel alloy.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000300007&lng=en&tlng=enAparelhos ortodônticosHipersensibilidadeNíquel |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Rogério Lacerda dos Santos Matheus Melo Pithon |
spellingShingle |
Rogério Lacerda dos Santos Matheus Melo Pithon Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire Dental Press Journal of Orthodontics Aparelhos ortodônticos Hipersensibilidade Níquel |
author_facet |
Rogério Lacerda dos Santos Matheus Melo Pithon |
author_sort |
Rogério Lacerda dos Santos |
title |
Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
title_short |
Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
title_full |
Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
title_fullStr |
Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
title_full_unstemmed |
Mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
title_sort |
mechanical evaluation of quad-helix appliance made of low-nickel stainless steel wire |
publisher |
Dental Press Editora |
series |
Dental Press Journal of Orthodontics |
issn |
2177-6709 |
publishDate |
2013-06-01 |
description |
OBJECTIVE: The objective of this study was to test the hypothesis that there is no difference between stainless steel and low-nickel stainless steel wires as regards mechanical behavior. Force, resilience, and elastic modulus produced by Quad-helix appliances made of 0.032-inch and 0.036-inch wires were evaluated. METHODS: Sixty Quad-helix appliances were made, thirty for each type of alloy, being fifteen for each wire thickness, 0.032-in and 0.036-in. All the archwires were submitted to mechanical compression test using an EMIC DL-10000 machine simulating activations of 4, 6, 9, and 12 mm. Analysis of variance (ANOVA) with multiple comparisons and Tukey's test were used (p < 0.05) to assess force, resilience, and elastic modulus. RESULTS: Statistically significant difference in the forces generated, resilience and elastic modulus were found between the 0.032-in 0.036-in thicknesses (p < 0.05). CONCLUSIONS: Appliances made of low-nickel stainless steel alloy had force, resilience, and elastic modulus similar to those made of stainless steel alloy. |
topic |
Aparelhos ortodônticos Hipersensibilidade Níquel |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000300007&lng=en&tlng=en |
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AT rogeriolacerdadossantos mechanicalevaluationofquadhelixappliancemadeoflownickelstainlesssteelwire AT matheusmelopithon mechanicalevaluationofquadhelixappliancemadeoflownickelstainlesssteelwire |
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