An experimental study on mandibular expansion: increases in arch width and perimeter.

@article{Motoyoshi2002AnES,
  title={An experimental study on mandibular expansion: increases in arch width and perimeter.},
  author={Mitsuru Motoyoshi and Masayuki Hirabayashi and Takahisa Shimazaki and Shinkichi Namura},
  journal={European journal of orthodontics},
  year={2002},
  volume={24 2},
  pages={125-30}
}
The purpose of this study was to estimate the increase in arch perimeter associated with mandibular lateral expansion. The mandibular expansion was simulated using a three-dimensional (3D) finite element method (FEM) and a computer graphics technique (3D simulation). The centre of rotation of molars during movement accompanied by lateral expansion was calculated using 3D FEM. The geometry of the model was determined using the mandibular bone of an East Indian skeletal specimen and 1 mm computer… CONTINUE READING

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