The effect of early hominin occlusal morphology on the fracturing of hard food items.

@article{Berthaume2010TheEO,
  title={The effect of early hominin occlusal morphology on the fracturing of hard food items.},
  author={Michael Anthony Berthaume and Ian R. Grosse and Nirdesh D Patel and David S. Strait and Sarah C Wood and Brian G. Richmond},
  journal={Anatomical record},
  year={2010},
  volume={293 4},
  pages={594-606}
}
Tooth profile plays an important role in interpretations of the functional morphology of extinct species. We tested hypotheses that australopith occlusal morphology influences the fracture force required to crack large, hard food items using a combination of physical testing and finite element analysis (FEA). We performed mechanical experiments simulating both molar and premolar biting using metal replicas of four hominin specimens representing species that differ in occlusal relief… CONTINUE READING

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