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Related Experiment Videos

The force module for the bending art system. Preliminary results

H Fischer-Brandies1, W Orthuber, M Ermert

  • 1Department of Orthodontics, Klinikum, Christian-Albrechts-Universität zu Kiel, Germany.

Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopadie : Organ/Official Journal Deutsche Gesellschaft Fur Kieferorthopadie
|November 4, 1998
PubMed
Summary

The force module for the bending art system (BAS) provides plausible estimations of orthodontic forces. These calculated pressures, while needing direct confirmation, aid in comparing treatment effectiveness.

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Area of Science:

  • Orthodontics
  • Biomechanical Engineering
  • Dental Materials

Background:

  • The Bending Art System (BAS) utilizes a force module to predict initial tooth forces and moments post-archwire adjustment.
  • Accurate force estimation is crucial for optimizing orthodontic treatment and patient outcomes.

Observation:

  • A study evaluated the BAS force module's accuracy using data from 10 patients over 10 months.
  • An average of six 0.016" x 0.016" steel archwires were used per jaw.
  • Periodontal pressure was measured and statistically analyzed using force module readings.

Findings:

  • Average molar pressure ranged from 0.26 N/cm² to 0.54 N/cm².
  • Incisor, cuspid, and bicuspid pressure varied between 1.03 N/cm² and 2.83 N/cm², with a maximum of 8.02 N/cm².

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  • Higher pressure correlated with greater initial misalignment severity.

    • Implications:

    • Force module predictions are clinically plausible and can be reduced by adjusting archwire quantity or form.
    • While requiring direct measurement for absolute accuracy, the module serves as a valuable tool for comparative analysis of orthodontic forces.
    • The force module offers a reproducible method for estimating forces, aiding clinicians in decision-making for various treatment strategies.