Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys

Introduction: The aim of this study was to evaluate the cyclic and torsional fatigue resistance of the following reciprocating single-file systems: ProDesign R 25.06 (Easy Equipamentos Odontologicos, Belo Horizonte, Brazil), Reciproc R25 (VDW GmbH, Munich, Germany), and Unicone L25 (Medin SA, Nove M...

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Autores: Alcalde, Murilo P., Tanomaru-Filho, Mario [UNESP], Bramante, Clovis M., Duarte, Marco Antonio H., Guerreiro-Tanomaru, Juliane Maria [UNESP], Camilo-Pinto, Jader [UNESP], Reis So, Marcus Vinicius, Vivan, Rodrigo Ricci
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:Brasil
Recursos:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/162974
Acesso em linha:http://dx.doi.org/10.1016/j.joen.2017.03.008
http://hdl.handle.net/11449/162974
Access Level:acceso abierto
Palavra-chave:Cyclic fatigue
nickel-titanium
reciprocating systems
torsional resistance
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spelling Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium AlloysCyclic fatiguenickel-titaniumreciprocating systemstorsional resistanceIntroduction: The aim of this study was to evaluate the cyclic and torsional fatigue resistance of the following reciprocating single-file systems: ProDesign R 25.06 (Easy Equipamentos Odontologicos, Belo Horizonte, Brazil), Reciproc R25 (VDW GmbH, Munich, Germany), and Unicone L25 (Medin SA, Nove Mesto in Morave, Czech Republic). Methods: Sixty instruments of the Pro Design R, Reciproc R25, and Unicone L25 systems (n = 20) were used. Cyclic fatigue resistance was tested measuring the time to failure in an artificial stainless steel canal with a 60 angle and a 5-mm radius of curvature (n = 10). Torque and angle of rotation at failure of new instruments (n = 10) in the 3 mm from the tip portion were measured during torsional testing according to ISO 3630-1. The fractured surface of each fragment was examined by scanning electron microscopy. Data were analyzed using 1-way analysis of variance and Tukey tests, and the level of significance was set at 5%. Results: The cyclic fatigue resistance values of ProDesign.R 25.06 were significantly higher than the other groups (P < .05). Reciproc R25 showed higher fatigue resistance than Unicone L25 (P < .05). In relation to the torsional test, the ProDesign R 25.06 and Unicone L25 systems showed higher angular rotation until fracture than Reciproc R25 (P <.05). However, Reciproc R25 and Unicone L25 showed higher torque load than ProDesign R 25.06 (P <.05). Scanning electron microscopic analysis showed similar and typical features of cyclic and torsional failure for all instruments tested. Conclusions: ProDesign R presented the highest cyclic fatigue resistance and angular rotation to failure compared with Reciproc and Unicone. However, Reciproc showed higher torsional strength to failure.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ Sao Paulo, Bauru Sch Dent, Dept Operat Dent Endodont & Dent Mat, Sao Paulo, BrazilSao Paulo State Univ, Araraquara Dent Sch, Dept Restorat Dent, Sao Paulo, SP, BrazilUniv Fed Rio Grande do Sul, Dept Restorat Dent, Porto Alegre, RS, BrazilSao Paulo State Univ, Araraquara Dent Sch, Dept Restorat Dent, Sao Paulo, SP, BrazilFAPESP: 2014/25520-0Elsevier B.V.Universidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Univ Fed Rio Grande do Sul2018-11-26T17:35:08Z2018-11-26T17:35:08Z2017-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1186-1191application/pdfhttp://dx.doi.org/10.1016/j.joen.2017.03.008Journal Of Endodontics. New York: Elsevier Science Inc, v. 43, n. 7, p. 1186-1191, 2017.0099-2399http://hdl.handle.net/11449/16297410.1016/j.joen.2017.03.008WOS:000405164000026WOS000405164000026.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal Of Endodontics1,585info:eu-repo/semantics/openAccessAlcalde, Murilo P.Tanomaru-Filho, Mario [UNESP]Bramante, Clovis M.Duarte, Marco Antonio H.Guerreiro-Tanomaru, Juliane Maria [UNESP]Camilo-Pinto, Jader [UNESP]Reis So, Marcus ViniciusVivan, Rodrigo Ricci2025-04-18T09:38:41Zoai:repositorio.unesp.br:11449/162974Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462025-04-18T09:38:41Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
title Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
spellingShingle Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
Alcalde, Murilo P.
Cyclic fatigue
nickel-titanium
reciprocating systems
torsional resistance
title_short Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
title_full Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
title_fullStr Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
title_full_unstemmed Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
title_sort Cyclic and Torsional Fatigue Resistance of Reciprocating Single Files Manufactured by Different Nickel-titanium Alloys
dc.creator.none.fl_str_mv Alcalde, Murilo P.
Tanomaru-Filho, Mario [UNESP]
Bramante, Clovis M.
Duarte, Marco Antonio H.
Guerreiro-Tanomaru, Juliane Maria [UNESP]
Camilo-Pinto, Jader [UNESP]
Reis So, Marcus Vinicius
Vivan, Rodrigo Ricci
author Alcalde, Murilo P.
author_facet Alcalde, Murilo P.
Tanomaru-Filho, Mario [UNESP]
Bramante, Clovis M.
Duarte, Marco Antonio H.
Guerreiro-Tanomaru, Juliane Maria [UNESP]
Camilo-Pinto, Jader [UNESP]
Reis So, Marcus Vinicius
Vivan, Rodrigo Ricci
author_role author
author2 Tanomaru-Filho, Mario [UNESP]
Bramante, Clovis M.
Duarte, Marco Antonio H.
Guerreiro-Tanomaru, Juliane Maria [UNESP]
Camilo-Pinto, Jader [UNESP]
Reis So, Marcus Vinicius
Vivan, Rodrigo Ricci
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Universidade Estadual Paulista (Unesp)
Univ Fed Rio Grande do Sul
dc.subject.por.fl_str_mv Cyclic fatigue
nickel-titanium
reciprocating systems
torsional resistance
topic Cyclic fatigue
nickel-titanium
reciprocating systems
torsional resistance
description Introduction: The aim of this study was to evaluate the cyclic and torsional fatigue resistance of the following reciprocating single-file systems: ProDesign R 25.06 (Easy Equipamentos Odontologicos, Belo Horizonte, Brazil), Reciproc R25 (VDW GmbH, Munich, Germany), and Unicone L25 (Medin SA, Nove Mesto in Morave, Czech Republic). Methods: Sixty instruments of the Pro Design R, Reciproc R25, and Unicone L25 systems (n = 20) were used. Cyclic fatigue resistance was tested measuring the time to failure in an artificial stainless steel canal with a 60 angle and a 5-mm radius of curvature (n = 10). Torque and angle of rotation at failure of new instruments (n = 10) in the 3 mm from the tip portion were measured during torsional testing according to ISO 3630-1. The fractured surface of each fragment was examined by scanning electron microscopy. Data were analyzed using 1-way analysis of variance and Tukey tests, and the level of significance was set at 5%. Results: The cyclic fatigue resistance values of ProDesign.R 25.06 were significantly higher than the other groups (P < .05). Reciproc R25 showed higher fatigue resistance than Unicone L25 (P < .05). In relation to the torsional test, the ProDesign R 25.06 and Unicone L25 systems showed higher angular rotation until fracture than Reciproc R25 (P <.05). However, Reciproc R25 and Unicone L25 showed higher torque load than ProDesign R 25.06 (P <.05). Scanning electron microscopic analysis showed similar and typical features of cyclic and torsional failure for all instruments tested. Conclusions: ProDesign R presented the highest cyclic fatigue resistance and angular rotation to failure compared with Reciproc and Unicone. However, Reciproc showed higher torsional strength to failure.
publishDate 2017
dc.date.none.fl_str_mv 2017-07-01
2018-11-26T17:35:08Z
2018-11-26T17:35:08Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1016/j.joen.2017.03.008
Journal Of Endodontics. New York: Elsevier Science Inc, v. 43, n. 7, p. 1186-1191, 2017.
0099-2399
http://hdl.handle.net/11449/162974
10.1016/j.joen.2017.03.008
WOS:000405164000026
WOS000405164000026.pdf
url http://dx.doi.org/10.1016/j.joen.2017.03.008
http://hdl.handle.net/11449/162974
identifier_str_mv Journal Of Endodontics. New York: Elsevier Science Inc, v. 43, n. 7, p. 1186-1191, 2017.
0099-2399
10.1016/j.joen.2017.03.008
WOS:000405164000026
WOS000405164000026.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Journal Of Endodontics
1,585
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 1186-1191
application/pdf
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv repositoriounesp@unesp.br
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score 15,300724

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