High temperature dimensional alterations of implant supported frameworks

Authors

  • Diego Klee Vasconcellos Paulista State University “Júlio de Mesquita Filho”
  • Antonio Carlos Cardoso Federal University of Santa Catarina
  • Marco Antonio Bottino Paulista State University “Júlio de Mesquita Filho” - São José dos Campos School of Dentistry
  • Ricardo de Souza Magini Federal University of Santa Catarina
  • Wilson Andriani Jr Federal University of Santa Catarina

DOI:

https://doi.org/10.20396/bjos.v4i12.8641799

Keywords:

Dental implants. Osseointegration. Implant-supported dental prosthesis. Metal ceramic alloys

Abstract

The present in vitro study was designed to evaluate the effect of high temperature firing cycles used for application of porcelain veneer in the misfit of implant supported frameworks, and the effect of a pre-heating treatment on the dimensional alterations of implant supported frameworks. The investigation was conducted based on the results given by 14 nickel-chromium (06 elements) metal structures. Half of the structures formed the control group and were exposed to simulated porcelain firings. The other half formed the test group, and were submitted to a pre-heating treatment with the implant frameworks embedded in investment, before the porcelain firing simulation. The marginal misfit measurements in both groups were made before and after the porcelain firing simulation, by using a scanning electron microscope. The results were submitted to statistical analysis of variance. The multiple comparisons were made by means of the Bonferroni “t” test. For the frameworks produced in the usual manner, without the preheating treatment (control group), misfit deteriorates during the high temperature firing cycles employed for porcelain application. In the test group, pre-heating treatment did not change the final metal distortion resulting from the porcelain firing cycles, and the greatest amount of the distortion took place before the conventional porcelain firing cycles.

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Author Biographies

Diego Klee Vasconcellos, Paulista State University “Júlio de Mesquita Filho”

Possui graduação em Odontologia pela Universidade Federal de Santa Catarina (1992), mestrado em Odontologia pela Universidade Federal de Santa Catarina (2002) e doutorado em Odontologia Restauradora - especialidade Prótese Dentária pela Universidade Estadual Paulista Júlio de Mesquita Filho (2005). É professor adjunto da disciplina de Prótese Parcial da Universidade Federal de Santa Catarina, professor do Curso de Especialização em Implantodontia do Centro de Ensino e Pesquisa em Implantes Dentários/UFSC e Professor do curso de especialização em Próteses Dentária / UFSC. Está vinculado ao grupo de pesquisa em Reabilitação Oral - UFSC.

Antonio Carlos Cardoso, Federal University of Santa Catarina

graduate at Odontologia from Universidade Federal de Santa Catarina (1971), master's at Odontology from Universidade de São Paulo (1980) and ph.d. at Odontology from Universidade de São Paulo (1982). Has experience in Odontology, acting on the following subjects: oclusão, periodontia, contato prematuro, implantes and dental implant.

Marco Antonio Bottino, Paulista State University “Júlio de Mesquita Filho” - São José dos Campos School of Dentistry

has graduation at Odontologia by Universidade Estadual Paulista Júlio de Mesquita Filho (1968) and Ph.D. at Odontologia (Clínica Integrada) by Universidade de São Paulo (1973) . Currently is professor of Universidade Estadual Paulista Júlio de Mesquita Filho, Membro de corpo editorial of Revista da Associação Paulista de Cirurgiões Dentistas, Membro de corpo editorial of Revista Dental Press de Estética (Maringá), Membro de corpo editorial of Gaceta Dental, Membro de corpo editorial of Clínica. International Journal of Brazilian Dentistry, Membro de corpo editorial of Salusvita, Membro de corpo editorial of Pilares, Membro de corpo editorial of Ciência Odontológica Brasileira, Membro de corpo editorial of Pós-Graduação em Revista (FOSJC/UNESP), Revisor de periódico of Revista da Faculdade de Odontologia de Bauru, Membro de corpo editorial of RBP. Revista Brasileira de Implantodontia & Prótese sobre Implantes, Membro de corpo editorial of Implant News, Membro de corpo editorial of PCL. Revista Brasileira de Prótese Clínica & Laboratorial, Membro de corpo editorial of ImplantNews e Membro de corpo editorial of Implant News. Has experience in the area of Odontology. Focused, mainly, in the subjects: Prótese dentária, Cimentos dentários, Ciimentação, Coroas, Adaptação cervical. 

Ricardo de Souza Magini, Federal University of Santa Catarina

Possui graduação em Odontologia pela Universidade Federal de Santa Catarina(1986), especialização em Periodontia pela Faculdade de Odontologia de Baurú(1988), mestrado em Periodontia pela Faculdade de Odontologia de Baurú(1993) e doutorado em Periodontia pela Faculdade de Odontologia de Baurú(1997). Atualmente é Professor Associado IV da Universidade Federal de Santa Catarina.

Wilson Andriani Jr, Federal University of Santa Catarina

Possui graduação em Odontologia pela Universidade Federal de Santa Catarina(1972), especialização em Prótese Dentária Reabilitação Oral pela Escola de Aperfeiçoamento Profissional(1976), especialização em Dentística Restauradora pela Universidade Federal de Santa Catarina(1989) e doutorado em Odontologia pela Universidade Federal de Santa Catarina(2007). Atualmente é Professor Auxiliar III da Universidade Federal de Santa Catarina.

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Published

2015-11-17

How to Cite

1.
Vasconcellos DK, Cardoso AC, Bottino MA, Magini R de S, Andriani Jr W. High temperature dimensional alterations of implant supported frameworks. Braz. J. Oral Sci. [Internet]. 2015 Nov. 17 [cited 2022 Oct. 1];4(12):689-94. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641799

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