Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/0103-6440201300208 http://hdl.handle.net/11449/126201 |
Resumo: | The presence of debris, defects and deformations of endodontic reciprocating instruments before and after chemical-mechanical preparation (MCP) was analyzed using scanning electron microscopy (SEM). The following 26 instruments were divided into 2 groups: Waveone (n=13) and Reciproc (n=13) and examined by SEM (150 x magnification) prior to canal preparation at 2 and 4 mm from the tip. The instruments were used in the preparation of mesial root canals of 26 extracted human permanent mandibular molars. The instruments were then washed in ultrasonic bath and subjected to new microscopic analysis of debris and deformation by a score that used the presence or absence of irregular edges, grooves, microcavities and burrs as criteria. After the SEM analysis and with the scores of the examiners, the collected data were subjected to descriptive statistical analysis using the Kruskall-Walis and Mann Whitney test at a 5% significance level. All instruments examined presented debris before and after use. A statistically significant difference was found for defects and deformation between the groups (p<0.05). The presence of defects and deformities was higher in the WaveOne instruments, and Reciproc instruments presented a lower rate. |
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Repositório Institucional da UNESP |
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Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysisreciprocating motionnickel-titanium filemicroscopy.The presence of debris, defects and deformations of endodontic reciprocating instruments before and after chemical-mechanical preparation (MCP) was analyzed using scanning electron microscopy (SEM). The following 26 instruments were divided into 2 groups: Waveone (n=13) and Reciproc (n=13) and examined by SEM (150 x magnification) prior to canal preparation at 2 and 4 mm from the tip. The instruments were used in the preparation of mesial root canals of 26 extracted human permanent mandibular molars. The instruments were then washed in ultrasonic bath and subjected to new microscopic analysis of debris and deformation by a score that used the presence or absence of irregular edges, grooves, microcavities and burrs as criteria. After the SEM analysis and with the scores of the examiners, the collected data were subjected to descriptive statistical analysis using the Kruskall-Walis and Mann Whitney test at a 5% significance level. All instruments examined presented debris before and after use. A statistically significant difference was found for defects and deformation between the groups (p<0.05). The presence of defects and deformities was higher in the WaveOne instruments, and Reciproc instruments presented a lower rate.Analisou-se por meio de microscopia eletrônica de varredura) MEV, a presença de debris, defeitos e deformações dos instrumentos endodônticos reciprocantes antes e após o preparo químico-mecânico (PQM). Vinte e seis instrumentos foram divididos em 2 grupos: WaveOne (n=13) e Reciproc (n=13), eletromicrografados previamente ao PQM com aumento de 150×, a 2 e 4 mm da ponta. Os instrumentos foram utilizados no preparo de canais radiculares mesiais de 26 molares permanentes inferiores humanos extraídos. Após, foram lavados em cuba ultrassônica e submetidos a nova análise microscópica para visualizar detritos e deformações tendo como critérios um escore que avaliou a presença ou não de borda irregular, ranhura, microcavidade e rebarba. Após análise em MEV e de posse dos escores dos avaliadores, os dados coletados foram submetidos à analise estatística descritiva pelos testes de Kruskall-Walis e Mann Whitney, ao nível de significância de 5%. Todos os instrumentos analisados apresentaram detritos antes e após o uso. Houve diferença estatisticamente significante quanto a defeitos e deformações entre os grupos (p<0,05). A presença de defeitos e deformações foi maior nos instrumentos WaveOne, enquanto que para os instrumentos Reciproc tal índice foi menor.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UFAM - Federal University of Amazonas Dental SchoolUNESP - Univ Estadual Paulista Araraquara Dental SchoolUNESP - Univ Estadual Paulista Araraquara Dental SchoolFundação Odontológica de Ribeirão PretoUFAM - Federal University of Amazonas Dental SchoolUniversidade Estadual Paulista (Unesp)Hanan, Aida Rene AssayagMeireles, Daniely Amorin deSponchiado Júnior, Emílio CarlosHanan, SimoneKuga, Milton Carlos [UNESP]Bonetti Filho, Idomeo [UNESP]2015-08-06T16:14:48Z2015-08-06T16:14:48Z2015-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article121-127application/pdfhttp://dx.doi.org/10.1590/0103-6440201300208Brazilian Dental Journal. Fundação Odontológica de Ribeirão Preto, v. 26, n. 2, p. 121-127, 2015.0103-6440http://hdl.handle.net/11449/12620110.1590/0103-6440201300208S0103-64402015000200121S0103-64402015000200121.pdf16275684198117885309258790184438SciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Dental Journal0,476info:eu-repo/semantics/openAccess2023-11-05T06:13:22Zoai:repositorio.unesp.br:11449/126201Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-11-05T06:13:22Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
title |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
spellingShingle |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis Hanan, Aida Rene Assayag reciprocating motion nickel-titanium file microscopy. |
title_short |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
title_full |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
title_fullStr |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
title_full_unstemmed |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
title_sort |
Surface Characteristics of Reciprocating Instruments Before and After Use - A SEM Analysis |
author |
Hanan, Aida Rene Assayag |
author_facet |
Hanan, Aida Rene Assayag Meireles, Daniely Amorin de Sponchiado Júnior, Emílio Carlos Hanan, Simone Kuga, Milton Carlos [UNESP] Bonetti Filho, Idomeo [UNESP] |
author_role |
author |
author2 |
Meireles, Daniely Amorin de Sponchiado Júnior, Emílio Carlos Hanan, Simone Kuga, Milton Carlos [UNESP] Bonetti Filho, Idomeo [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
UFAM - Federal University of Amazonas Dental School Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Hanan, Aida Rene Assayag Meireles, Daniely Amorin de Sponchiado Júnior, Emílio Carlos Hanan, Simone Kuga, Milton Carlos [UNESP] Bonetti Filho, Idomeo [UNESP] |
dc.subject.por.fl_str_mv |
reciprocating motion nickel-titanium file microscopy. |
topic |
reciprocating motion nickel-titanium file microscopy. |
description |
The presence of debris, defects and deformations of endodontic reciprocating instruments before and after chemical-mechanical preparation (MCP) was analyzed using scanning electron microscopy (SEM). The following 26 instruments were divided into 2 groups: Waveone (n=13) and Reciproc (n=13) and examined by SEM (150 x magnification) prior to canal preparation at 2 and 4 mm from the tip. The instruments were used in the preparation of mesial root canals of 26 extracted human permanent mandibular molars. The instruments were then washed in ultrasonic bath and subjected to new microscopic analysis of debris and deformation by a score that used the presence or absence of irregular edges, grooves, microcavities and burrs as criteria. After the SEM analysis and with the scores of the examiners, the collected data were subjected to descriptive statistical analysis using the Kruskall-Walis and Mann Whitney test at a 5% significance level. All instruments examined presented debris before and after use. A statistically significant difference was found for defects and deformation between the groups (p<0.05). The presence of defects and deformities was higher in the WaveOne instruments, and Reciproc instruments presented a lower rate. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-08-06T16:14:48Z 2015-08-06T16:14:48Z 2015-04-01 |
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/10.1590/0103-6440201300208 Brazilian Dental Journal. Fundação Odontológica de Ribeirão Preto, v. 26, n. 2, p. 121-127, 2015. 0103-6440 http://hdl.handle.net/11449/126201 10.1590/0103-6440201300208 S0103-64402015000200121 S0103-64402015000200121.pdf 1627568419811788 5309258790184438 |
url |
http://dx.doi.org/10.1590/0103-6440201300208 http://hdl.handle.net/11449/126201 |
identifier_str_mv |
Brazilian Dental Journal. Fundação Odontológica de Ribeirão Preto, v. 26, n. 2, p. 121-127, 2015. 0103-6440 10.1590/0103-6440201300208 S0103-64402015000200121 S0103-64402015000200121.pdf 1627568419811788 5309258790184438 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Dental Journal 0,476 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
121-127 application/pdf |
dc.publisher.none.fl_str_mv |
Fundação Odontológica de Ribeirão Preto |
publisher.none.fl_str_mv |
Fundação Odontológica de Ribeirão Preto |
dc.source.none.fl_str_mv |
SciELO 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 |
|
_version_ |
1797789620223606784 |