Push-out bond strength of different tricalcium silicate-based filling materials to root dentin
Abstract: The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after...
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Sociedade Brasileira de Pesquisa Odontológica
2018-03-01
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doaj-8292a31f25554fcfb1275244210116252020-11-24T22:04:19ZengSociedade Brasileira de Pesquisa Odontológica Brazilian Oral Research1807-31072018-03-0132010.1590/1807-3107bor-2018.vol32.0018S1806-83242018000100215Push-out bond strength of different tricalcium silicate-based filling materials to root dentinJorge Henrique Stefaneli MarquesYara Teresinha Corrêa Silva-SousaFuad Jacob Abi Rached-JúniorLuciana Martins Domingues de MacedoJardel Francisco Mazzi-ChavesJosette CamilleriManoel Damião Sousa-NetoAbstract: The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after eliminating the apical extremity. The specimens were embedded in acrylic resin and positioned at 45° to the horizontal plane for preparation of root-end cavities with a diamond ultrasonic retrotip. The samples were divided into three groups according to the root-end filling material (n = 10): MTA Angelus, ProRoot MTA and Biodentine. A gutta-percha cone (#80) was tugged-back at the limit between the canal and the root-end cavity. The root-end cavity was filled and the gutta-percha cone was removed after complete setting of the materials. The specimens were placed in an Instron machine with the root-end filling turned downwards. The push-out shaft was inserted in the space previously occupied by the gutta-percha cone and push out testing was performed at a crosshead speed of 1.0 mm/min. There was no statistically significant difference in resistance to push out by the materials tested (p > 0.01). MTA Angelus and ProRoot MTA showed predominantly mixed failure while Biodentine exhibited mixed and cohesive failures. The tricalcium silicate-based root-end filling materials showed similar bond strength retrograde cavity.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100215&lng=en&tlng=enEndodonticsBiocompatible MaterialsDental Materials |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jorge Henrique Stefaneli Marques Yara Teresinha Corrêa Silva-Sousa Fuad Jacob Abi Rached-Júnior Luciana Martins Domingues de Macedo Jardel Francisco Mazzi-Chaves Josette Camilleri Manoel Damião Sousa-Neto |
spellingShingle |
Jorge Henrique Stefaneli Marques Yara Teresinha Corrêa Silva-Sousa Fuad Jacob Abi Rached-Júnior Luciana Martins Domingues de Macedo Jardel Francisco Mazzi-Chaves Josette Camilleri Manoel Damião Sousa-Neto Push-out bond strength of different tricalcium silicate-based filling materials to root dentin Brazilian Oral Research Endodontics Biocompatible Materials Dental Materials |
author_facet |
Jorge Henrique Stefaneli Marques Yara Teresinha Corrêa Silva-Sousa Fuad Jacob Abi Rached-Júnior Luciana Martins Domingues de Macedo Jardel Francisco Mazzi-Chaves Josette Camilleri Manoel Damião Sousa-Neto |
author_sort |
Jorge Henrique Stefaneli Marques |
title |
Push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
title_short |
Push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
title_full |
Push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
title_fullStr |
Push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
title_full_unstemmed |
Push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
title_sort |
push-out bond strength of different tricalcium silicate-based filling materials to root dentin |
publisher |
Sociedade Brasileira de Pesquisa Odontológica |
series |
Brazilian Oral Research |
issn |
1807-3107 |
publishDate |
2018-03-01 |
description |
Abstract: The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after eliminating the apical extremity. The specimens were embedded in acrylic resin and positioned at 45° to the horizontal plane for preparation of root-end cavities with a diamond ultrasonic retrotip. The samples were divided into three groups according to the root-end filling material (n = 10): MTA Angelus, ProRoot MTA and Biodentine. A gutta-percha cone (#80) was tugged-back at the limit between the canal and the root-end cavity. The root-end cavity was filled and the gutta-percha cone was removed after complete setting of the materials. The specimens were placed in an Instron machine with the root-end filling turned downwards. The push-out shaft was inserted in the space previously occupied by the gutta-percha cone and push out testing was performed at a crosshead speed of 1.0 mm/min. There was no statistically significant difference in resistance to push out by the materials tested (p > 0.01). MTA Angelus and ProRoot MTA showed predominantly mixed failure while Biodentine exhibited mixed and cohesive failures. The tricalcium silicate-based root-end filling materials showed similar bond strength retrograde cavity. |
topic |
Endodontics Biocompatible Materials Dental Materials |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242018000100215&lng=en&tlng=en |
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