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Prototyping artificial jaws for the robotic dental testing simulator.

K Alemzadeh¹, D Raabe

¹Department of Mechanical Engineering, University of Bristol, Bristol, UK. k.alemzadeh@bristol.ac.uk

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine

|January 16, 2009

Summary

This study introduces a robotic dental simulator to test dental material wear. A novel compliance module and force transducer accurately measure biting forces, crucial for understanding dental component failure.

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Area of Science:

Biomaterials Science
Robotics Engineering
Dental Mechanics

Background:

Dental restorations face significant wear and failure due to occlusal forces.
Accurate simulation of human chewing forces is essential for material testing.

Purpose of the Study:

To develop and validate a robotic periphery for a six-degrees-of-freedom dental simulator.
To simulate and measure forces during dental material wear testing.

Main Methods:

Reverse engineering of human jaws to create artificial mandible and maxilla.
Integration of a compliance module and strain gauge force transducer in the robotic system.
Measurement of jaw characteristic indicators like Spee and Monson curves.

Main Results:

The robotic periphery successfully emulated human-like jaw occlusion.
The integrated strain gauge force transducer accurately sensed small changes in biting forces.
The system is capable of simulating wear on various dental components.

Conclusions:

The developed robotic system provides a reliable platform for testing dental material durability.
Accurate force measurement is key to understanding and preventing dental component failure.
This simulation aids in the development of more resilient dental materials and restorations.