Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques

Detalhes bibliográficos
Autor(a) principal: Santos, Maria Jacinta M. Coelho
Data de Publicação: 2005
Outros Autores: Bezerra, Rebeca Barroso
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/5065
Resumo: p.585-585d
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spelling Santos, Maria Jacinta M. CoelhoBezerra, Rebeca BarrosoSantos, Maria Jacinta M. CoelhoBezerra, Rebeca Barroso2012-01-09T12:26:56Z2012-01-09T12:26:56Z2005-090008-3372http://www.repositorio.ufba.br/ri/handle/ri/5065v.71, n. 8.p.585-585dObjective: To evaluate the fracture resistance of teeth restored using 2 intracoronal direct and indirect adhesive techniques. Methods: Forty maxillary premolars were divided randomly into 4 groups of 10: group 1, intact teeth; group 2, mesio-occlusodistal (MOD) cavity preparation associated with endodontic therapy (unrestored); group 3, MOD cavity preparation and restoration with direct composite resin (Z100, 3M ESPE); and group 4, MOD cavity preparation and restoration with indirect ceramic inlay (IPS Empress, Ivoclar-Vivadent). Specimens were subsequently submitted to an axial compression test, using an 8-mm diameter steel ball at a loading speed of 0.5 mm per minute, until their fracture. Results: The average compression force causing cuspal fracture in the 4 experimental groups was group 1, 138.4 kg; group 2, 49.0 kg; group 3, 105.4 kg; and group 4, 82.7 kg. ANOVA analysis and Tukey tests showed that cavity preparation significantly weakened the remaining tooth structure. The fracture resistance of teeth restored using direct composite resin was not significantly different from that of teeth restored with ceramic inlays (p > 0.05). None of the materials tested was able to restore completely the fracture resistance lost during cavity preparation. Conclusions: Cavity preparation significantly weakens the remaining tooth structure. Direct and indirect intracoronal adhesive restorations can partly restore fracture resistance of teeth weakened by wide cavity preparation.Submitted by Ana Valéria de Jesus Moura (anavaleria_131@hotmail.com) on 2012-01-09T12:26:56Z No. of bitstreams: 1 585.pdf: 553854 bytes, checksum: a673eb30019216ffb1d2a6c9f2f9af58 (MD5)Made available in DSpace on 2012-01-09T12:26:56Z (GMT). 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dc.title.pt_BR.fl_str_mv Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
dc.title.alternative.pt_BR.fl_str_mv Journal of the Canadian Dental Association
title Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
spellingShingle Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
Santos, Maria Jacinta M. Coelho
composite resins
dental cavity preparation/adverse effects
dental porcelain
bicuspid
title_short Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
title_full Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
title_fullStr Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
title_full_unstemmed Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
title_sort Fracture Resistance of Maxillary Premolars Restored with Direct and Indirect Adhesive Techniques
author Santos, Maria Jacinta M. Coelho
author_facet Santos, Maria Jacinta M. Coelho
Bezerra, Rebeca Barroso
author_role author
author2 Bezerra, Rebeca Barroso
author2_role author
dc.contributor.author.fl_str_mv Santos, Maria Jacinta M. Coelho
Bezerra, Rebeca Barroso
Santos, Maria Jacinta M. Coelho
Bezerra, Rebeca Barroso
dc.subject.por.fl_str_mv composite resins
dental cavity preparation/adverse effects
dental porcelain
bicuspid
topic composite resins
dental cavity preparation/adverse effects
dental porcelain
bicuspid
description p.585-585d
publishDate 2005
dc.date.issued.fl_str_mv 2005-09
dc.date.accessioned.fl_str_mv 2012-01-09T12:26:56Z
dc.date.available.fl_str_mv 2012-01-09T12:26:56Z
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://www.repositorio.ufba.br/ri/handle/ri/5065
dc.identifier.issn.none.fl_str_mv 0008-3372
dc.identifier.number.pt_BR.fl_str_mv v.71, n. 8.
identifier_str_mv 0008-3372
v.71, n. 8.
url http://www.repositorio.ufba.br/ri/handle/ri/5065
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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