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Related Experiment Video

Updated: Jun 20, 2026

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

Using a motion-capture system to record dynamic articulation for application in CAD/CAM software.

Oliver Röhrle1, J Neil Waddell, Kylie D Foster

  • 1Institute of Applied Mechanics (CE), Universität Stuttgart, Stuttgart, Germany. roehrle@simtech.uni-stuttgart.de

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|September 17, 2009
PubMed
Summary
This summary is machine-generated.

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This study introduces a dynamic virtual articulation method for dental CAD/CAM software by recording mandibular movements. This overcomes limitations of static models, enabling analysis of occlusal contacts during chewing simulations.

Area of Science:

  • Biomechanical Engineering
  • Dental Technology
  • Computer-Aided Design

Background:

  • Current virtual articulation software is limited by static intercuspal positions.
  • Existing programs cannot analyze eccentric occlusal contacts during mandibular movements.

Purpose of the Study:

  • To develop a methodology for dynamic virtual articulation of teeth.
  • To enable analysis of occlusal contacts during masticatory movements.

Main Methods:

  • Recorded six degrees of freedom (DOF) chewing trajectories using an optoelectronic motion-capturing system (VICON MX).
  • Generated a 3D computer model from micro-CT images of a subject's teeth.
  • Developed a custom mandibular motion-tracking appliance.

Main Results:

Related Experiment Videos

Last Updated: Jun 20, 2026

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

  • Successfully recorded and reproduced mandibular movements for elastic and plastic food samples.
  • Demonstrated the kinematic model's potential to analyze dynamic occlusion by examining molar interactions and biting forces.
  • Presented examples of intraoral point movements during chewing.

Conclusions:

  • A methodology for measuring mandibular movements during mastication was established.
  • This provides kinematic input for creating virtual dynamic articulation.
  • The developed dynamic articulation is suitable for integration into dental CAD/CAM software.