Safe use of ozone gas in enamel adhesion

Detalhes bibliográficos
Autor(a) principal: Pires, Patrícia T.
Data de Publicação: 2012
Outros Autores: Ferreira, João C., Oliveira, Sofia A., Silva, Mário J., Melo, Paulo R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10451/34450
Resumo: Purpose: Evaluate the shear bond strength of a self-etching system to enamel pretreated with ozone and its type of fracture. Matherial and methods: Thirty sound bovine incisors were bisected and polished just before the application of the adhesive system. The adhesion area was limited to a 3-mm diameter. The specimens were randomly assigned to the experimental groups (n = 15) and composite resin cylinders were added to the tested surfaces, after the application of the adhesive according to the manufacturer’s instructions. Group G1 (AdheSE® with ozone) was previously prepared with ozone gas from the HealOzone unit (Kavo®) for 20 s, groups G2 (AdheSE®) was used as control. The specimens were stored in distilled water for 24 h at 37 ◦C with 100% humidity, before being thermocycled. The type of fracture was analyzed under scanning electronic microscope and the data were submitted to Shapiro–Wilk, Student’s t-test and Chi-squared statistical analyses. Results: The mean bond strengths were G1: 15.0 MPa (77.8% of adhesive fractures between enamel and adhesive) and G2: 13.1 MPa (36.4% of adhesive fractures between enamel and adhesive). Conclusion: The shear bond strength of a self-etching system was not influenced by the previous application of ozone gas.
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spelling Safe use of ozone gas in enamel adhesionShear strengthDental enamelDentin-bonding agentsOzonePurpose: Evaluate the shear bond strength of a self-etching system to enamel pretreated with ozone and its type of fracture. Matherial and methods: Thirty sound bovine incisors were bisected and polished just before the application of the adhesive system. The adhesion area was limited to a 3-mm diameter. The specimens were randomly assigned to the experimental groups (n = 15) and composite resin cylinders were added to the tested surfaces, after the application of the adhesive according to the manufacturer’s instructions. Group G1 (AdheSE® with ozone) was previously prepared with ozone gas from the HealOzone unit (Kavo®) for 20 s, groups G2 (AdheSE®) was used as control. The specimens were stored in distilled water for 24 h at 37 ◦C with 100% humidity, before being thermocycled. The type of fracture was analyzed under scanning electronic microscope and the data were submitted to Shapiro–Wilk, Student’s t-test and Chi-squared statistical analyses. Results: The mean bond strengths were G1: 15.0 MPa (77.8% of adhesive fractures between enamel and adhesive) and G2: 13.1 MPa (36.4% of adhesive fractures between enamel and adhesive). Conclusion: The shear bond strength of a self-etching system was not influenced by the previous application of ozone gas.Objectivo: Avaliar as forças de resistência adesiva de um sistema adesivo auto-condicionador no esmalte pré-tratado com ozono e o tipo de fractura. Material e métodos: Trinta incisivos hígidos de origem bovina foram seccionados de forma a separar a coroa da raiz e polidos antes da colocação do sistema adesivo. A área de adesão foi limitada a 3 mm de diâmetro. Os espécimes foram aleatoriamente divididos (n = 15) e cilindros de resina composta foram adicionados às superfícies de teste após cada sistema adesivo ter sido aplicado de acordo com as instruções do fabricante. O grupo G1 (AdheSE® com ozono) foi condicionado com gás de ozono gerado pelo aparelho HealOzone (Kavo®),durante 20 segundos, G2 (AdheSE®) funcionou como controlo. Os espécimes foram mantidos em água destilada durante 24 horas numa estufa a 37 ◦C com 100% de humidade, antes da termociclagem. O tipo de fractura analisado ao MEV e os dados submetidos à análise estatística Shapiro–Wilk, Student’s t-test e Chi-squared. Resultados: As médias de resistência adesiva foram: G1:15,0 MPa (77,8% de fracturas adesivas entre o esmalte e o adesivo) e G4: 13,1 MPa (36,4% de fracturas adesivas entre o esmalte e o adesivo). Conclusão: Os valores de resistência adesiva do sistema adesivo auto-condicionador não foram influenciados pela aplicação prévia de gás de ozono.Repositório da Universidade de LisboaPires, Patrícia T.Ferreira, João C.Oliveira, Sofia A.Silva, Mário J.Melo, Paulo R.2018-08-06T15:42:25Z20122012-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/34450engPires P, Ferreira JC, Oliveira S, et al. Safe use of ozone gas in enamel adhesion. Rev Port Estomatol Med Dent Cir Maxilofac. 2012;53(3):148-152.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-11-20T17:43:53Zoai:repositorio.ul.pt:10451/34450Portal AgregadorONGhttps://www.rcaap.pt/oai/openairemluisa.alvim@gmail.comopendoar:71602024-11-20T17:43:53Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Safe use of ozone gas in enamel adhesion
title Safe use of ozone gas in enamel adhesion
spellingShingle Safe use of ozone gas in enamel adhesion
Pires, Patrícia T.
Shear strength
Dental enamel
Dentin-bonding agents
Ozone
title_short Safe use of ozone gas in enamel adhesion
title_full Safe use of ozone gas in enamel adhesion
title_fullStr Safe use of ozone gas in enamel adhesion
title_full_unstemmed Safe use of ozone gas in enamel adhesion
title_sort Safe use of ozone gas in enamel adhesion
author Pires, Patrícia T.
author_facet Pires, Patrícia T.
Ferreira, João C.
Oliveira, Sofia A.
Silva, Mário J.
Melo, Paulo R.
author_role author
author2 Ferreira, João C.
Oliveira, Sofia A.
Silva, Mário J.
Melo, Paulo R.
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Pires, Patrícia T.
Ferreira, João C.
Oliveira, Sofia A.
Silva, Mário J.
Melo, Paulo R.
dc.subject.por.fl_str_mv Shear strength
Dental enamel
Dentin-bonding agents
Ozone
topic Shear strength
Dental enamel
Dentin-bonding agents
Ozone
description Purpose: Evaluate the shear bond strength of a self-etching system to enamel pretreated with ozone and its type of fracture. Matherial and methods: Thirty sound bovine incisors were bisected and polished just before the application of the adhesive system. The adhesion area was limited to a 3-mm diameter. The specimens were randomly assigned to the experimental groups (n = 15) and composite resin cylinders were added to the tested surfaces, after the application of the adhesive according to the manufacturer’s instructions. Group G1 (AdheSE® with ozone) was previously prepared with ozone gas from the HealOzone unit (Kavo®) for 20 s, groups G2 (AdheSE®) was used as control. The specimens were stored in distilled water for 24 h at 37 ◦C with 100% humidity, before being thermocycled. The type of fracture was analyzed under scanning electronic microscope and the data were submitted to Shapiro–Wilk, Student’s t-test and Chi-squared statistical analyses. Results: The mean bond strengths were G1: 15.0 MPa (77.8% of adhesive fractures between enamel and adhesive) and G2: 13.1 MPa (36.4% of adhesive fractures between enamel and adhesive). Conclusion: The shear bond strength of a self-etching system was not influenced by the previous application of ozone gas.
publishDate 2012
dc.date.none.fl_str_mv 2012
2012-01-01T00:00:00Z
2018-08-06T15:42:25Z
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.uri.fl_str_mv http://hdl.handle.net/10451/34450
url http://hdl.handle.net/10451/34450
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Pires P, Ferreira JC, Oliveira S, et al. Safe use of ozone gas in enamel adhesion. Rev Port Estomatol Med Dent Cir Maxilofac. 2012;53(3):148-152.
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv mluisa.alvim@gmail.com
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