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A computerized method for evaluating balance of occlusal load

Y Matsui1, K Ohno, K Michi

  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University, Tokyo, Japan.

Journal of Oral Rehabilitation
|August 1, 1996
PubMed
Summary
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The Dental Prescale System quantifies occlusal load balance using color-changing sheets and computer analysis. This system effectively evaluates occlusal load balance in clinical settings, showing lower balance in hemimaxillectomy patients.

Area of Science:

  • Dentistry
  • Biomechanical Engineering
  • Medical Device Technology

Background:

  • Assessing occlusal load balance is crucial for dental health.
  • Existing methods may lack quantitative precision.
  • Hemimaxillectomy patients often present with occlusal imbalances.

Purpose of the Study:

  • To evaluate the Dental Prescale System for quantitative occlusal load balance assessment.
  • To compare occlusal load balance in natural dentition versus hemimaxillectomy patients.

Main Methods:

  • Utilized the Dental Prescale System with color-developing test sheets.
  • Employed computerized analysis to evaluate occlusal load distribution.
  • Measured occlusal load balance as a percentage of the lesser occlusive load (%OLR).

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Main Results:

  • Natural dentate subjects showed %OLR between 39.7% and 49.4%.
  • Hemimaxillectomy patients exhibited significantly lower %OLRs (0% to 31.3%) at the resection site.
  • Lower %OLRs in patients were linked to structural loss and clinical adjustments.

Conclusions:

  • The Dental Prescale System offers a simple, reproducible, and versatile tool for quantitative occlusal load balance evaluation.
  • The system highlights significant occlusal imbalances in hemimaxillectomy patients.
  • This technology is valuable for clinical assessment of occlusal load balance.