Influence of thermal stress on marginal integrity of restorative materials
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFPel - Guaiaca |
Texto Completo: | http://repositorio.ufpel.edu.br/handle/ri/815 |
Resumo: | The aim of this study was to evaluate the influence of thermal stress on the marginal integrity of restorative materials with different adhesive and thermal properties. Three hundred and sixty Class V cavities were prepared in buccal and lingual surfaces of 180 bovine incisors. Cervical and incisal walls were located in dentin and enamel, respectively. Specimens were restored with resin composite (RC); glass ionomer (GI) or amalgam (AM), and randomly assigned to 18 groups (n=20) according to the material, number of cycles (500 or 1,000 cycles) and dwell time (30 s or 60 s). Dry and wet specimens served as controls Specimens were immersed in 1% basic fuchsine solution (24 h), sectioned, and microleakage was evaluated under x40 magnification. Data were analyzed by Kruskal-Wallis and Mann-Whitney tests: Thermal cycling regimens increased leakage in all AM restorations (p<0.05) and its effect on RC and GI restorations was only significant when a 60-s dwell time was used (p<0.05). Marginal integrity was more affected in AM restorations under thermal cycling stress, whereas RC and GI ionomer restoration margins were only significantly affected only under longer dwell times. |
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Cenci, Maximiliano SérgioCenci, Tatiana PereiraDonassollo, Tiago AurélioSommer, LeandroStrapasson, AndréDemarco, Flávio Fernando2013-11-25T15:36:25Z2013-11-25T15:36:25Z2008CENCI MS ; PEREIRA-CENCI, Tatiana ; DONASSOLLO, Tiago Aurélio ; SOMMER, Leandro ; STRAPASSON, André ; DEMARCO, Flávio Fernando . Influence of thermal stress on marginal integrity of restorative materials. Journal of Applied Oral Science, v. 16, p. 106-110, 2008.1678-7757http://repositorio.ufpel.edu.br/handle/ri/815The aim of this study was to evaluate the influence of thermal stress on the marginal integrity of restorative materials with different adhesive and thermal properties. Three hundred and sixty Class V cavities were prepared in buccal and lingual surfaces of 180 bovine incisors. Cervical and incisal walls were located in dentin and enamel, respectively. Specimens were restored with resin composite (RC); glass ionomer (GI) or amalgam (AM), and randomly assigned to 18 groups (n=20) according to the material, number of cycles (500 or 1,000 cycles) and dwell time (30 s or 60 s). Dry and wet specimens served as controls Specimens were immersed in 1% basic fuchsine solution (24 h), sectioned, and microleakage was evaluated under x40 magnification. Data were analyzed by Kruskal-Wallis and Mann-Whitney tests: Thermal cycling regimens increased leakage in all AM restorations (p<0.05) and its effect on RC and GI restorations was only significant when a 60-s dwell time was used (p<0.05). Marginal integrity was more affected in AM restorations under thermal cycling stress, whereas RC and GI ionomer restoration margins were only significantly affected only under longer dwell times.University of São Paulov.16, n.2;Thermal cyclingMicroleakageComposite resinsGlass ionomer cementsAmalgamDental materialsPropertiesInfluence of thermal stress on marginal integrity of restorative materialsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFPel - Guaiacainstname:Universidade Federal de Pelotas (UFPEL)instacron:UFPELinfo:eu-repo/semantics/openAccessORIGINALInfluence of thermal stress on marginal integrity of restorative materials.pdfInfluence of thermal stress on marginal integrity of restorative materials.pdfapplication/pdf76304http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/815/1/Influence%20of%20thermal%20stress%20on%20marginal%20integrity%20of%20restorative%20materials.pdf3f6716ef6a5c85a4e66d9e180d382381MD51open accessLICENSElicense.txtlicense.txttext/plain; charset=utf-867http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/815/2/license.txtfbd6c74465857056e3ca572d7586661bMD52open accessTEXTInfluence of thermal stress on marginal integrity of restorative materials.pdf.txtInfluence of thermal stress on marginal integrity of restorative materials.pdf.txtExtracted Texttext/plain24809http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/815/3/Influence%20of%20thermal%20stress%20on%20marginal%20integrity%20of%20restorative%20materials.pdf.txtbb2b6bb820fc921ab3cc8e1b148bbb3aMD53open accessTHUMBNAILInfluence of thermal stress on marginal integrity of restorative materials.pdf.jpgInfluence of thermal stress on marginal integrity of restorative materials.pdf.jpgGenerated Thumbnailimage/jpeg1776http://guaiaca.ufpel.edu.br/xmlui/bitstream/123456789/815/4/Influence%20of%20thermal%20stress%20on%20marginal%20integrity%20of%20restorative%20materials.pdf.jpgd709d962b1ccf976154f644457f3c297MD54open access123456789/8152020-07-03 16:29:47.892open accessoai:guaiaca.ufpel.edu.br:123456789/815VG9kb3Mgb3MgaXRlbnMgZGVzc2EgY29tdW5pZGFkZSBzZWd1ZW0gYSBsaWNlbsOnYSBDcmVhdGl2ZSBDb21tb25zLg==Repositório InstitucionalPUBhttp://repositorio.ufpel.edu.br/oai/requestrippel@ufpel.edu.br || repositorio@ufpel.edu.br || aline.batista@ufpel.edu.bropendoar:2020-07-03T19:29:47Repositório Institucional da UFPel - Guaiaca - Universidade Federal de Pelotas (UFPEL)false |
dc.title.pt_BR.fl_str_mv |
Influence of thermal stress on marginal integrity of restorative materials |
title |
Influence of thermal stress on marginal integrity of restorative materials |
spellingShingle |
Influence of thermal stress on marginal integrity of restorative materials Cenci, Maximiliano Sérgio Thermal cycling Microleakage Composite resins Glass ionomer cements Amalgam Dental materials Properties |
title_short |
Influence of thermal stress on marginal integrity of restorative materials |
title_full |
Influence of thermal stress on marginal integrity of restorative materials |
title_fullStr |
Influence of thermal stress on marginal integrity of restorative materials |
title_full_unstemmed |
Influence of thermal stress on marginal integrity of restorative materials |
title_sort |
Influence of thermal stress on marginal integrity of restorative materials |
author |
Cenci, Maximiliano Sérgio |
author_facet |
Cenci, Maximiliano Sérgio Cenci, Tatiana Pereira Donassollo, Tiago Aurélio Sommer, Leandro Strapasson, André Demarco, Flávio Fernando |
author_role |
author |
author2 |
Cenci, Tatiana Pereira Donassollo, Tiago Aurélio Sommer, Leandro Strapasson, André Demarco, Flávio Fernando |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Cenci, Maximiliano Sérgio Cenci, Tatiana Pereira Donassollo, Tiago Aurélio Sommer, Leandro Strapasson, André Demarco, Flávio Fernando |
dc.subject.por.fl_str_mv |
Thermal cycling Microleakage Composite resins Glass ionomer cements Amalgam Dental materials Properties |
topic |
Thermal cycling Microleakage Composite resins Glass ionomer cements Amalgam Dental materials Properties |
description |
The aim of this study was to evaluate the influence of thermal stress on the marginal integrity of restorative materials with different adhesive and thermal properties. Three hundred and sixty Class V cavities were prepared in buccal and lingual surfaces of 180 bovine incisors. Cervical and incisal walls were located in dentin and enamel, respectively. Specimens were restored with resin composite (RC); glass ionomer (GI) or amalgam (AM), and randomly assigned to 18 groups (n=20) according to the material, number of cycles (500 or 1,000 cycles) and dwell time (30 s or 60 s). Dry and wet specimens served as controls Specimens were immersed in 1% basic fuchsine solution (24 h), sectioned, and microleakage was evaluated under x40 magnification. Data were analyzed by Kruskal-Wallis and Mann-Whitney tests: Thermal cycling regimens increased leakage in all AM restorations (p<0.05) and its effect on RC and GI restorations was only significant when a 60-s dwell time was used (p<0.05). Marginal integrity was more affected in AM restorations under thermal cycling stress, whereas RC and GI ionomer restoration margins were only significantly affected only under longer dwell times. |
publishDate |
2008 |
dc.date.issued.fl_str_mv |
2008 |
dc.date.accessioned.fl_str_mv |
2013-11-25T15:36:25Z |
dc.date.available.fl_str_mv |
2013-11-25T15:36:25Z |
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.citation.fl_str_mv |
CENCI MS ; PEREIRA-CENCI, Tatiana ; DONASSOLLO, Tiago Aurélio ; SOMMER, Leandro ; STRAPASSON, André ; DEMARCO, Flávio Fernando . Influence of thermal stress on marginal integrity of restorative materials. Journal of Applied Oral Science, v. 16, p. 106-110, 2008. |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufpel.edu.br/handle/ri/815 |
dc.identifier.issn.none.fl_str_mv |
1678-7757 |
identifier_str_mv |
CENCI MS ; PEREIRA-CENCI, Tatiana ; DONASSOLLO, Tiago Aurélio ; SOMMER, Leandro ; STRAPASSON, André ; DEMARCO, Flávio Fernando . Influence of thermal stress on marginal integrity of restorative materials. Journal of Applied Oral Science, v. 16, p. 106-110, 2008. 1678-7757 |
url |
http://repositorio.ufpel.edu.br/handle/ri/815 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartofseries.none.fl_str_mv |
v.16, n.2; |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
University of São Paulo |
publisher.none.fl_str_mv |
University of São Paulo |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFPel - Guaiaca instname:Universidade Federal de Pelotas (UFPEL) instacron:UFPEL |
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Universidade Federal de Pelotas (UFPEL) |
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UFPEL |
institution |
UFPEL |
reponame_str |
Repositório Institucional da UFPel - Guaiaca |
collection |
Repositório Institucional da UFPel - Guaiaca |
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