Mechanics of longitudinal cracks in tooth enamel.

  title={Mechanics of longitudinal cracks in tooth enamel.},
  author={Amir Barani and Amanda J Keown and Mark B Bush and James J Lee and Herzl Chai and Brian R. Lawn},
  journal={Acta biomaterialia},
  volume={7 5},
A study is made of longitudinal "channel" cracking in tooth enamel from axial compressive loading. The cracks simulate those generated in the molar and premolar teeth of humans and animals by natural tooth function. Contact loading tests are made on extracted human molars with hard and soft indenting plates to determine the evolution of such cracks with increasing load. Fracture is largely stable, with initial slow growth followed by acceleration as the cracks approach completion around an… CONTINUE READING

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