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Published on: March 7, 2014
Bite force and occlusal load in healthy young subjects--a methodological study
T Shinogaya1, M Bakke, C E Thomsen
1Department of Maxillo-Facial Rehabilitation, Faculty of Dentistry, Tokyo Medical and Dental University, 1-5-45 Yushima Bunkyo-ku Tokyo, 113 Japan. shinogaya.mfre@dent.tmd.ac.jp
Summary
The new Dental Prescale System, using pressure-sensitive foils, recorded higher bite forces than conventional methods in students. This technique shows promise for assessing jaw closing force and load distribution.
Area of Science:
- Dental Science
- Biomechanics
- Biomedical Engineering
Background:
- Accurate measurement of maximal jaw closing force is crucial for diagnosing occlusal issues.
- Conventional methods may not fully capture the complexity of bite force distribution.
- Novel techniques are needed to improve the assessment of occlusal load.
Purpose of the Study:
- To compare the Dental Prescale System (DPS) with a conventional miniature force transducer for recording maximal jaw closing force.
- To evaluate the DPS's ability to assess occlusal load distribution.
- To determine the clinical applicability of the DPS in dental research.
Main Methods:
- Seventeen students participated in the study.
- Maximal jaw closing force was recorded using both the DPS (pressure-sensitive foils) and a miniature force transducer.
- Occlusal load distribution was assessed by superimposing digitized foil "pressure" images onto dental casts and comparing with clinical tooth contact registrations.
Main Results:
- The bite force recorded with the DPS was systematically higher than that recorded by conventional measurements.
- More teeth were assessed as being loaded by the DPS compared to those with clinical occlusal contact.
- The DPS provided detailed load distribution information.
Conclusions:
- The Dental Prescale System is a promising technique for recording maximal jaw closing force and assessing occlusal load distribution.
- While time-consuming, the DPS offers a more comprehensive assessment compared to conventional methods.
- Further research may refine the DPS technique for broader clinical application.

