Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires?
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Dental Press Journal of Orthodontics |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000100018 |
Resumo: | OBJECTIVE: To compare hysteresis, activation and deactivation forces produced by first-order deformation of Contour 0.014-in NiTi wire (Aditek, Brazil) in four brands of self-ligating brackets: Damon MX, Easy Clip, Smart Clip and In-Ovation. METHODS: Activation and deactivation forces were measured in an Instron universal tensile machine at 3 mm/minute speed to a total displacement of 4 mm. Tests were repeated eight times for each bracket/wire combination. Statistical analysis comprised ANOVA and Tukey's multiple comparisons test. RESULTS: Using a 4-mm deformation, mean activation forces increased in the following order: Damon = 222 gf, Easy Clip = 228 gf, In-Ovation = 240 gf and Smart Clip = 306 gf. The same order was observed for mean hysteresis values, i.e., 128 gf, 140 gf, 150 gf and 206 gf, respectively. The respective values of deactivation forces for the Damon, Easy Clip, In-Ovation and Smart Clip brackets were 94 gf, 88 gf, 90 gf and 100 gf. CONCLUSIONS: Brackets with higher activation forces were accompanied by higher hysteresis values, which resulted in clinically similar deactivation forces, regardless of the type of self-ligating brackets used. |
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Dental Press Journal of Orthodontics |
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Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires?Corrective orthodonticsOrthodontic bracketsOrthodontic wiresOBJECTIVE: To compare hysteresis, activation and deactivation forces produced by first-order deformation of Contour 0.014-in NiTi wire (Aditek, Brazil) in four brands of self-ligating brackets: Damon MX, Easy Clip, Smart Clip and In-Ovation. METHODS: Activation and deactivation forces were measured in an Instron universal tensile machine at 3 mm/minute speed to a total displacement of 4 mm. Tests were repeated eight times for each bracket/wire combination. Statistical analysis comprised ANOVA and Tukey's multiple comparisons test. RESULTS: Using a 4-mm deformation, mean activation forces increased in the following order: Damon = 222 gf, Easy Clip = 228 gf, In-Ovation = 240 gf and Smart Clip = 306 gf. The same order was observed for mean hysteresis values, i.e., 128 gf, 140 gf, 150 gf and 206 gf, respectively. The respective values of deactivation forces for the Damon, Easy Clip, In-Ovation and Smart Clip brackets were 94 gf, 88 gf, 90 gf and 100 gf. CONCLUSIONS: Brackets with higher activation forces were accompanied by higher hysteresis values, which resulted in clinically similar deactivation forces, regardless of the type of self-ligating brackets used.Dental Press International2013-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000100018Dental Press Journal of Orthodontics v.18 n.1 2013reponame:Dental Press Journal of Orthodonticsinstname:Dental Press International (DPI)instacron:DPI10.1590/S2176-94512013000100018info:eu-repo/semantics/openAccessRino Neto,JoséQueiroz,Gilberto VilanovaPaiva,João Batista deBallester,Rafael Yagüeeng2013-05-15T00:00:00Zoai:scielo:S2176-94512013000100018Revistahttp://www.scielo.br/dpjoONGhttps://old.scielo.br/oai/scielo-oai.phpartigos@dentalpress.com.br||davidnormando@hotmail.com2177-67092176-9451opendoar:2013-05-15T00:00Dental Press Journal of Orthodontics - Dental Press International (DPI)false |
dc.title.none.fl_str_mv |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
title |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
spellingShingle |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? Rino Neto,José Corrective orthodontics Orthodontic brackets Orthodontic wires |
title_short |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
title_full |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
title_fullStr |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
title_full_unstemmed |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
title_sort |
Does self-ligating brackets type influence the hysteresis, activation and deactivation forces of superelastic NiTi archwires? |
author |
Rino Neto,José |
author_facet |
Rino Neto,José Queiroz,Gilberto Vilanova Paiva,João Batista de Ballester,Rafael Yagüe |
author_role |
author |
author2 |
Queiroz,Gilberto Vilanova Paiva,João Batista de Ballester,Rafael Yagüe |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Rino Neto,José Queiroz,Gilberto Vilanova Paiva,João Batista de Ballester,Rafael Yagüe |
dc.subject.por.fl_str_mv |
Corrective orthodontics Orthodontic brackets Orthodontic wires |
topic |
Corrective orthodontics Orthodontic brackets Orthodontic wires |
description |
OBJECTIVE: To compare hysteresis, activation and deactivation forces produced by first-order deformation of Contour 0.014-in NiTi wire (Aditek, Brazil) in four brands of self-ligating brackets: Damon MX, Easy Clip, Smart Clip and In-Ovation. METHODS: Activation and deactivation forces were measured in an Instron universal tensile machine at 3 mm/minute speed to a total displacement of 4 mm. Tests were repeated eight times for each bracket/wire combination. Statistical analysis comprised ANOVA and Tukey's multiple comparisons test. RESULTS: Using a 4-mm deformation, mean activation forces increased in the following order: Damon = 222 gf, Easy Clip = 228 gf, In-Ovation = 240 gf and Smart Clip = 306 gf. The same order was observed for mean hysteresis values, i.e., 128 gf, 140 gf, 150 gf and 206 gf, respectively. The respective values of deactivation forces for the Damon, Easy Clip, In-Ovation and Smart Clip brackets were 94 gf, 88 gf, 90 gf and 100 gf. CONCLUSIONS: Brackets with higher activation forces were accompanied by higher hysteresis values, which resulted in clinically similar deactivation forces, regardless of the type of self-ligating brackets used. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-02-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000100018 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512013000100018 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S2176-94512013000100018 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Dental Press International |
publisher.none.fl_str_mv |
Dental Press International |
dc.source.none.fl_str_mv |
Dental Press Journal of Orthodontics v.18 n.1 2013 reponame:Dental Press Journal of Orthodontics instname:Dental Press International (DPI) instacron:DPI |
instname_str |
Dental Press International (DPI) |
instacron_str |
DPI |
institution |
DPI |
reponame_str |
Dental Press Journal of Orthodontics |
collection |
Dental Press Journal of Orthodontics |
repository.name.fl_str_mv |
Dental Press Journal of Orthodontics - Dental Press International (DPI) |
repository.mail.fl_str_mv |
artigos@dentalpress.com.br||davidnormando@hotmail.com |
_version_ |
1754122396379381760 |