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Study on vibrations of the mandible
Meikai Daigaku Shigaku Zasshi = the Journal of Meikai University School of Dentistry
|January 1, 1989
Summary
This study investigated mandible vibrations using a plaster model and human skulls. Results show mandible vibrations are similar to transverse bar vibrations, and fractures or cysts may alter these patterns.
Area of Science:
- Biomechanics
- Biomedical Engineering
- Dental Research
Background:
- Understanding mandible vibrations is crucial for diagnosing conditions affecting the jawbone.
- Previous research has explored bone conduction and vibration transmission, but specific mandible vibration characteristics require further elucidation.
Purpose of the Study:
- To investigate the fundamental vibration characteristics of the mandible.
- To compare vibration patterns between a simplified model and in situ human mandibles.
- To explore the influence of mandibular pathologies on vibration behavior.
Main Methods:
- A simplified plaster model of the mandible was created.
- Fundamental vibrations were analyzed by tapping the model.
- Comparative studies were conducted using dried human skulls and in situ mandibles.
Main Results:
- Mandible vibrations, when tapped, exhibit characteristics similar to transverse vibrations of a bar and tuning fork.
- Both the simplified model and in situ mandible studies demonstrated transverse bar-type vibrations.
- Pathological conditions such as fractures and cysts may potentially alter the natural vibration patterns of the mandible.
Conclusions:
- The mandible's vibration behavior can be modeled as a transverse bar.
- In situ and model-based investigations yield comparable results for mandible vibrations.
- Changes in mandibular integrity, like fractures or cysts, may serve as indicators detectable through vibration analysis.