Improving the functional design of dental restorations by adding a composite interlayer in the multilayer system: Multi-aspect analysis

Bruno Henriques; Michael Gasik; Georgina Miranda; Júlio C.M. Souza; Rubens M. Nascimento; Filipe S. Silva

doi:10.1016/j.ctmat.2015.06.002

Improving the functional design of dental restorations by adding a composite interlayer in the multilayer system: Multi-aspect analysis

Bruno Henriques^*, Michael Gasik, Georgina Miranda, Júlio C.M. Souza, Rubens M. Nascimento, Filipe S. Silva

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The performance of dental restorations has been a concern of dentists and engineers. One of the topics that have concentrated most effort has been the study of the properties of the interface between the veneering porcelain to metallic or ceramic substrates, namely on the improvement of the adhesion between the two materials and its behaviour under oral conditions. This paper discusses the benefits of placing a composite interlayer (50% metal + 50% ceramic, vol.%) at interface between metal and ceramic in a dental restoration. The discussion covers the following aspects: performance of this system under thermomechanical fatigue conditions, thermal and mechanical properties of the composite interlayer, thermal residual stresses arising after porcelain sintering and technical feasibility on a prosthetic laboratory.

Original language	English
Pages (from-to)	36-40
Number of pages	5
Journal	Ciencia e Tecnologia dos Materiais
Volume	27
Issue number	1
DOIs	https://doi.org/10.1016/j.ctmat.2015.06.002
Publication status	Published - Jan 2015
Externally published	Yes

Keywords

bond strength
composite
mechanical properties
Metal-ceramic restoration
thermal cycling
thermal properties
thermal residual stresses

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10.1016/j.ctmat.2015.06.002

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abstract = "The performance of dental restorations has been a concern of dentists and engineers. One of the topics that have concentrated most effort has been the study of the properties of the interface between the veneering porcelain to metallic or ceramic substrates, namely on the improvement of the adhesion between the two materials and its behaviour under oral conditions. This paper discusses the benefits of placing a composite interlayer (50% metal + 50% ceramic, vol.%) at interface between metal and ceramic in a dental restoration. The discussion covers the following aspects: performance of this system under thermomechanical fatigue conditions, thermal and mechanical properties of the composite interlayer, thermal residual stresses arising after porcelain sintering and technical feasibility on a prosthetic laboratory.",

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AU - Nascimento, Rubens M.

AU - Silva, Filipe S.

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KW - mechanical properties

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Improving the functional design of dental restorations by adding a composite interlayer in the multilayer system: Multi-aspect analysis

Abstract

Keywords

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