Enamel and dentin as multi-scale bio-composites

Benny Bar-On, H. Daniel Wagner

Research output: Contribution to journalArticlepeer-review


Dentin and enamel are viewed here as multi-scale composites comprising a staggered micro-structure made of stiff platelets embedded in a more compliant matrix, and further assembled into macroscopic composite-like structures. Mechanical models are formulated for both tissues and their effective moduli are evaluated analytically. The resulting predictions are in very good agreement with Finite Elements (FE) simulations and experimental data from the literature. The models developed in this study demonstrate the possibility, in certain cases, to generate special mechanical effects linked to the structural complexity of these tissues.

Original languageAmerican English
Pages (from-to)174-183
Number of pages10
JournalJournal of the mechanical behavior of biomedical materials
StatePublished - 1 Aug 2012


  • Bio-composites
  • Bio-mechanics
  • Dentin
  • Enamel

All Science Journal Classification (ASJC) codes

  • Biomaterials
  • Biomedical Engineering
  • Mechanics of Materials


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