Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures

Detalhes bibliográficos
Autor(a) principal: CASTRO,Roberta Fonseca de
Data de Publicação: 2018
Outros Autores: MELO,Juliana do Socorro Soares, DIAS JUNIOR,Luiz Carlos de Lima, SILVA,Emmanuel João Nogueira Leal, BRANDÃO,Juliana Melo da Silva
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Oral Research
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100267
Resumo: Abstract This study analyzed the influence of different retreatment protocols on amount of remaining filling material and amount of new sealer after endodontic retreatment. Forty mandibular molars with curved mesial roots were prepared with ProTaper Universal system, and filled with AH Plus sealer mixed with 0.1% rhodamine B and gutta-percha. After 7 days, the specimens were randomized according to the retreatment protocol (n = 10): ProTaper Retreatment System (PTR); PTR+Orange Oil (PTR+OO); PTR+Passive Ultrasonic Irrigation (PTR+PUI). No retreatment was performed in the control group (CG). After retreatment, the root canals were filled with AH Plus mixed with 0.1% fluorescein and gutta-percha. Samples were evaluated under confocal laser scanning microscopy and analyzed using Image J software. Data were analyzed using Kruskal-Wallis and Dunn tests (p < 0.05). Regarding presence of residual filling, the Kruskal-Wallis test indicated no differences among the different retreatment techniques in the perimeter and the isthmus analyses (p > 0.05); however, PTR+PUI was associated with a lesser amount of residual filling material in the canal area analysis (p < 0.05). In evaluating the new filling, the perimeter analysis showed a lesser amount of new endodontic sealer in the PTR group (p < 0.05). Moreover, the PTR+PUI group presented a significantly greater amount of new endodontic sealer in the canal area analysis (p < 0.05). There was no difference among groups in the isthmus analysis (p > 0.05). It can be concluded that PTR associated to PUI yielded better results in removing root canal filling material from the canal area. However, none of the protocols resulted in root walls completely free of remnants.
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spelling Evaluation of the efficacy of filling material removal and re-filling after different retreatment proceduresEndodonticsMicroscopy, ConfocalRetreatmentRoot Canal Filling MaterialsAbstract This study analyzed the influence of different retreatment protocols on amount of remaining filling material and amount of new sealer after endodontic retreatment. Forty mandibular molars with curved mesial roots were prepared with ProTaper Universal system, and filled with AH Plus sealer mixed with 0.1% rhodamine B and gutta-percha. After 7 days, the specimens were randomized according to the retreatment protocol (n = 10): ProTaper Retreatment System (PTR); PTR+Orange Oil (PTR+OO); PTR+Passive Ultrasonic Irrigation (PTR+PUI). No retreatment was performed in the control group (CG). After retreatment, the root canals were filled with AH Plus mixed with 0.1% fluorescein and gutta-percha. Samples were evaluated under confocal laser scanning microscopy and analyzed using Image J software. Data were analyzed using Kruskal-Wallis and Dunn tests (p < 0.05). Regarding presence of residual filling, the Kruskal-Wallis test indicated no differences among the different retreatment techniques in the perimeter and the isthmus analyses (p > 0.05); however, PTR+PUI was associated with a lesser amount of residual filling material in the canal area analysis (p < 0.05). In evaluating the new filling, the perimeter analysis showed a lesser amount of new endodontic sealer in the PTR group (p < 0.05). Moreover, the PTR+PUI group presented a significantly greater amount of new endodontic sealer in the canal area analysis (p < 0.05). There was no difference among groups in the isthmus analysis (p > 0.05). It can be concluded that PTR associated to PUI yielded better results in removing root canal filling material from the canal area. However, none of the protocols resulted in root walls completely free of remnants.Sociedade Brasileira de Pesquisa Odontológica - SBPqO2018-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100267Brazilian Oral Research v.32 2018reponame:Brazilian Oral Researchinstname:Sociedade Brasileira de Pesquisa Odontológica (SBPqO)instacron:SBPQO10.1590/1807-3107bor-2018.vol32.0094info:eu-repo/semantics/openAccessCASTRO,Roberta Fonseca deMELO,Juliana do Socorro SoaresDIAS JUNIOR,Luiz Carlos de LimaSILVA,Emmanuel João Nogueira LealBRANDÃO,Juliana Melo da Silvaeng2018-09-06T00:00:00Zoai:scielo:S1806-83242018000100267Revistahttps://www.scielo.br/j/bor/https://old.scielo.br/oai/scielo-oai.phppob@edu.usp.br||bor@sbpqo.org.br1807-31071806-8324opendoar:2018-09-06T00:00Brazilian Oral Research - Sociedade Brasileira de Pesquisa Odontológica (SBPqO)false
dc.title.none.fl_str_mv Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
title Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
spellingShingle Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
CASTRO,Roberta Fonseca de
Endodontics
Microscopy, Confocal
Retreatment
Root Canal Filling Materials
title_short Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
title_full Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
title_fullStr Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
title_full_unstemmed Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
title_sort Evaluation of the efficacy of filling material removal and re-filling after different retreatment procedures
author CASTRO,Roberta Fonseca de
author_facet CASTRO,Roberta Fonseca de
MELO,Juliana do Socorro Soares
DIAS JUNIOR,Luiz Carlos de Lima
SILVA,Emmanuel João Nogueira Leal
BRANDÃO,Juliana Melo da Silva
author_role author
author2 MELO,Juliana do Socorro Soares
DIAS JUNIOR,Luiz Carlos de Lima
SILVA,Emmanuel João Nogueira Leal
BRANDÃO,Juliana Melo da Silva
author2_role author
author
author
author
dc.contributor.author.fl_str_mv CASTRO,Roberta Fonseca de
MELO,Juliana do Socorro Soares
DIAS JUNIOR,Luiz Carlos de Lima
SILVA,Emmanuel João Nogueira Leal
BRANDÃO,Juliana Melo da Silva
dc.subject.por.fl_str_mv Endodontics
Microscopy, Confocal
Retreatment
Root Canal Filling Materials
topic Endodontics
Microscopy, Confocal
Retreatment
Root Canal Filling Materials
description Abstract This study analyzed the influence of different retreatment protocols on amount of remaining filling material and amount of new sealer after endodontic retreatment. Forty mandibular molars with curved mesial roots were prepared with ProTaper Universal system, and filled with AH Plus sealer mixed with 0.1% rhodamine B and gutta-percha. After 7 days, the specimens were randomized according to the retreatment protocol (n = 10): ProTaper Retreatment System (PTR); PTR+Orange Oil (PTR+OO); PTR+Passive Ultrasonic Irrigation (PTR+PUI). No retreatment was performed in the control group (CG). After retreatment, the root canals were filled with AH Plus mixed with 0.1% fluorescein and gutta-percha. Samples were evaluated under confocal laser scanning microscopy and analyzed using Image J software. Data were analyzed using Kruskal-Wallis and Dunn tests (p < 0.05). Regarding presence of residual filling, the Kruskal-Wallis test indicated no differences among the different retreatment techniques in the perimeter and the isthmus analyses (p > 0.05); however, PTR+PUI was associated with a lesser amount of residual filling material in the canal area analysis (p < 0.05). In evaluating the new filling, the perimeter analysis showed a lesser amount of new endodontic sealer in the PTR group (p < 0.05). Moreover, the PTR+PUI group presented a significantly greater amount of new endodontic sealer in the canal area analysis (p < 0.05). There was no difference among groups in the isthmus analysis (p > 0.05). It can be concluded that PTR associated to PUI yielded better results in removing root canal filling material from the canal area. However, none of the protocols resulted in root walls completely free of remnants.
publishDate 2018
dc.date.none.fl_str_mv 2018-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100267
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100267
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1807-3107bor-2018.vol32.0094
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 Sociedade Brasileira de Pesquisa Odontológica - SBPqO
publisher.none.fl_str_mv Sociedade Brasileira de Pesquisa Odontológica - SBPqO
dc.source.none.fl_str_mv Brazilian Oral Research v.32 2018
reponame:Brazilian Oral Research
instname:Sociedade Brasileira de Pesquisa Odontológica (SBPqO)
instacron:SBPQO
instname_str Sociedade Brasileira de Pesquisa Odontológica (SBPqO)
instacron_str SBPQO
institution SBPQO
reponame_str Brazilian Oral Research
collection Brazilian Oral Research
repository.name.fl_str_mv Brazilian Oral Research - Sociedade Brasileira de Pesquisa Odontológica (SBPqO)
repository.mail.fl_str_mv pob@edu.usp.br||bor@sbpqo.org.br
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