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Automatic finite element mesh generation for maxillary second premolar.

C L Lin1, C H Chang, C S Cheng

  • 1Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan, ROC.

Computer Methods and Programs in Biomedicine
|July 1, 1999
PubMed
Summary
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This study presents an automated method for creating 3D finite element mesh models of the maxillary second premolar, significantly reducing manual effort in dental structure analysis. The developed procedure ensures accurate mesh generation for complex anatomical structures.

Area of Science:

  • Biomedical Engineering
  • Computational Anatomy
  • Dental Research

Background:

  • Generating 3D finite element mesh models for irregular dental structures is labor-intensive.
  • This limitation hinders the widespread use of 3D finite element analysis in dentistry.

Purpose of the Study:

  • To develop an automated procedure for generating 3D finite element mesh models of the maxillary second premolar.
  • To overcome the manual effort limitations in creating dental finite element models.

Main Methods:

  • Slicing and scanning of an embedded maxillary second premolar.
  • Utilizing a self-developed image processing system to detect material boundaries in scanned sections.
  • Employing an automatic mesh generation program with a moving nodes of uniform cube approach to create tetrahedral elements.

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Main Results:

  • Successfully generated six mesh models of the second premolar with varying element sizes.
  • Analyzed models using both linear and quadratic elements.
  • Evaluated strain energy and von Mises stresses for convergence in crown regions.

Conclusions:

  • The automated procedure effectively generates 3D finite element mesh models for dental structures.
  • This method has the potential to streamline 3D finite element analysis in dental research and clinical applications.