Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Oral Research |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242020000100226 |
Resumo: | Abstract Although fiber-reinforced composites are commonly used in dental practice, whether fiber-reinforced crowns and fixed partial dentures can be used as definitive prostheses remains to be determined. This study used scanning electron microscopy to evaluate the load-bearing capacity of non-reinforced and fiber-reinforced composite (FRC) molar crowns prepared by computer-aided design/computer-aided manufacturing (CAD/CAM). The crowns were fabricated from three empirical FRC blocks, one empirical composite block, and one commercial ceramic block. The FRC resin was prepared by mixing BaO silicate particles, E-glass fiber, and dimethacrylate resin. Specimens were divided into five groups (n = 10), differing in the amounts of filler, resin, and fiber. Crowns were statically loaded until fracture. One-way analysis of variance and Tukey’s post hoc multiple comparison tests were used for statistical analyses. The groups showed significant differences in load-bearing capacity; empirical bidirectional FRC resin blocks had the highest capacity, while commercial ceramic blocks had the lowest capacity. Molar crowns formed from FRC resin blocks had higher load-bearing capacity compared to non-reinforced composite resin and ceramic blocks. These results show that fiber reinforcement increased the load-bearing capacity of molar crowns. |
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Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crownsMolarTooth CrownMicroscopy, Electron, ScanningComputer-Aided DesignHumansAbstract Although fiber-reinforced composites are commonly used in dental practice, whether fiber-reinforced crowns and fixed partial dentures can be used as definitive prostheses remains to be determined. This study used scanning electron microscopy to evaluate the load-bearing capacity of non-reinforced and fiber-reinforced composite (FRC) molar crowns prepared by computer-aided design/computer-aided manufacturing (CAD/CAM). The crowns were fabricated from three empirical FRC blocks, one empirical composite block, and one commercial ceramic block. The FRC resin was prepared by mixing BaO silicate particles, E-glass fiber, and dimethacrylate resin. Specimens were divided into five groups (n = 10), differing in the amounts of filler, resin, and fiber. Crowns were statically loaded until fracture. One-way analysis of variance and Tukey’s post hoc multiple comparison tests were used for statistical analyses. The groups showed significant differences in load-bearing capacity; empirical bidirectional FRC resin blocks had the highest capacity, while commercial ceramic blocks had the lowest capacity. Molar crowns formed from FRC resin blocks had higher load-bearing capacity compared to non-reinforced composite resin and ceramic blocks. These results show that fiber reinforcement increased the load-bearing capacity of molar crowns.Sociedade Brasileira de Pesquisa Odontológica - SBPqO2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242020000100226Brazilian Oral Research v.34 2020reponame:Brazilian Oral Researchinstname:Sociedade Brasileira de Pesquisa Odontológica (SBPqO)instacron:SBPQO10.1590/1807-3107bor-2020.vol34.0035info:eu-repo/semantics/openAccessBAŞARAN,Emine GöncüAKTAŞ,GülizVALLITTU,PekkaLASSILA,LippoTUNCER,Mehmet Cudieng2020-04-14T00:00:00Zoai:scielo:S1806-83242020000100226Revistahttps://www.scielo.br/j/bor/https://old.scielo.br/oai/scielo-oai.phppob@edu.usp.br||bor@sbpqo.org.br1807-31071806-8324opendoar:2020-04-14T00:00Brazilian Oral Research - Sociedade Brasileira de Pesquisa Odontológica (SBPqO)false |
dc.title.none.fl_str_mv |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
title |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
spellingShingle |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns BAŞARAN,Emine Göncü Molar Tooth Crown Microscopy, Electron, Scanning Computer-Aided Design Humans |
title_short |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
title_full |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
title_fullStr |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
title_full_unstemmed |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
title_sort |
Scanning electron microscopy assessment of the load-bearing capacity of cad/cam-fabricated molar crowns |
author |
BAŞARAN,Emine Göncü |
author_facet |
BAŞARAN,Emine Göncü AKTAŞ,Güliz VALLITTU,Pekka LASSILA,Lippo TUNCER,Mehmet Cudi |
author_role |
author |
author2 |
AKTAŞ,Güliz VALLITTU,Pekka LASSILA,Lippo TUNCER,Mehmet Cudi |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
BAŞARAN,Emine Göncü AKTAŞ,Güliz VALLITTU,Pekka LASSILA,Lippo TUNCER,Mehmet Cudi |
dc.subject.por.fl_str_mv |
Molar Tooth Crown Microscopy, Electron, Scanning Computer-Aided Design Humans |
topic |
Molar Tooth Crown Microscopy, Electron, Scanning Computer-Aided Design Humans |
description |
Abstract Although fiber-reinforced composites are commonly used in dental practice, whether fiber-reinforced crowns and fixed partial dentures can be used as definitive prostheses remains to be determined. This study used scanning electron microscopy to evaluate the load-bearing capacity of non-reinforced and fiber-reinforced composite (FRC) molar crowns prepared by computer-aided design/computer-aided manufacturing (CAD/CAM). The crowns were fabricated from three empirical FRC blocks, one empirical composite block, and one commercial ceramic block. The FRC resin was prepared by mixing BaO silicate particles, E-glass fiber, and dimethacrylate resin. Specimens were divided into five groups (n = 10), differing in the amounts of filler, resin, and fiber. Crowns were statically loaded until fracture. One-way analysis of variance and Tukey’s post hoc multiple comparison tests were used for statistical analyses. The groups showed significant differences in load-bearing capacity; empirical bidirectional FRC resin blocks had the highest capacity, while commercial ceramic blocks had the lowest capacity. Molar crowns formed from FRC resin blocks had higher load-bearing capacity compared to non-reinforced composite resin and ceramic blocks. These results show that fiber reinforcement increased the load-bearing capacity of molar crowns. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
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=S1806-83242020000100226 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242020000100226 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1807-3107bor-2020.vol34.0035 |
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.34 2020 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 |
_version_ |
1750318327052369920 |