A microshear test to measure bond strengths of dentin-polymer interfaces

Walter G. McDonough, Joseph M. Antonucci, Jianmei He, Yasushi Shimada, M. Y M Chiang, Gary E. Schumacher, Carl R. Schultheisz

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

The microbond test, a single fiber shear test, has been adapted to be a microshear test for the measurement of the adhesion of resin-based dental materials to dentin and enamel. The objective of this study is to improve the design of this microshear test so that it can provide accurate and reliable shear bond strength data. In the current design of the microshear test apparatus, the bonding diameters of the specimens have been as small as 0.70mm. The smaller diameters give researchers the ability to test several bonded specimens on one flat dentin or enamel surface, thus allowing both for the regional mapping of the mineralized surface and the conservation of extracted teeth needed to provide the necessary substrates. The test configuration used in earlier studies has been modified through finite element analysis to address concerns in the test methodology. The results of this study show that the microshear bond test can be a useful tool in helping to understand the complex interactions that occur at the interface between dental composites and dentin and/or enamel surfaces, especially at interfacial sites not amenable to macroshear testing.

Original languageEnglish
Pages (from-to)3603-3608
Number of pages6
JournalBiomaterials
Volume23
Issue number17
DOIs
Publication statusPublished - 2002
Externally publishedYes

Fingerprint

Enamels
Dentin
Dental Enamel
Polymers
Tooth
Dental composites
Dental materials
Shear Strength
Dental Materials
Finite Element Analysis
Conservation
Adhesion
Resins
Research Personnel
Finite element method
Fibers
Testing
Substrates

Keywords

  • Bond strength
  • Dentin
  • Enamel
  • Microshear test
  • Shear test

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering

Cite this

McDonough, W. G., Antonucci, J. M., He, J., Shimada, Y., Chiang, M. Y. M., Schumacher, G. E., & Schultheisz, C. R. (2002). A microshear test to measure bond strengths of dentin-polymer interfaces. Biomaterials, 23(17), 3603-3608. https://doi.org/10.1016/S0142-9612(02)00089-3

A microshear test to measure bond strengths of dentin-polymer interfaces. / McDonough, Walter G.; Antonucci, Joseph M.; He, Jianmei; Shimada, Yasushi; Chiang, M. Y M; Schumacher, Gary E.; Schultheisz, Carl R.

In: Biomaterials, Vol. 23, No. 17, 2002, p. 3603-3608.

Research output: Contribution to journalArticle

McDonough, WG, Antonucci, JM, He, J, Shimada, Y, Chiang, MYM, Schumacher, GE & Schultheisz, CR 2002, 'A microshear test to measure bond strengths of dentin-polymer interfaces', Biomaterials, vol. 23, no. 17, pp. 3603-3608. https://doi.org/10.1016/S0142-9612(02)00089-3
McDonough WG, Antonucci JM, He J, Shimada Y, Chiang MYM, Schumacher GE et al. A microshear test to measure bond strengths of dentin-polymer interfaces. Biomaterials. 2002;23(17):3603-3608. https://doi.org/10.1016/S0142-9612(02)00089-3
McDonough, Walter G. ; Antonucci, Joseph M. ; He, Jianmei ; Shimada, Yasushi ; Chiang, M. Y M ; Schumacher, Gary E. ; Schultheisz, Carl R. / A microshear test to measure bond strengths of dentin-polymer interfaces. In: Biomaterials. 2002 ; Vol. 23, No. 17. pp. 3603-3608.
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