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Accuracy of computer programs in predicting orthognathic surgery hard tissue response.

Neelambar Kaipatur1, Yousef Al-Thomali, Carlos Flores-Mir

  • 1Department of Dentistry, University of Alberta, Edmonton, Alberta, Canada.

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
|July 21, 2009
PubMed
Summary

Computer programs struggle to accurately predict skeletal changes in orthognathic surgery, though inaccuracies are often within a clinically acceptable range. No single software demonstrated superior prediction accuracy.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Medical Imaging

Background:

  • Orthognathic surgery aims to correct skeletal and dental discrepancies.
  • Accurate prediction of surgical outcomes is crucial for patient satisfaction and treatment success.
  • Computer-aided planning is increasingly used in orthognathic surgery.

Purpose of the Study:

  • To systematically review the accuracy of computer programs in predicting skeletal changes following orthognathic surgery.
  • To evaluate the consistency and clinical acceptability of computer-predicted outcomes.

Main Methods:

  • Systematic computerized database search.
  • Inclusion criteria applied to select relevant articles.
  • Reference list screening and direct author contact for comprehensive data.

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Main Results:

  • Nine articles met the selection criteria from 79 initial records.
  • Computer programs could not precisely predict all skeletal changes; dental changes were accurately predicted.
  • Prediction inaccuracies averaged within 2 mm or 2 degrees, potentially due to cephalometric measurement errors.

Conclusions:

  • Computer programs do not consistently predict skeletal changes in orthognathic surgery with high precision.
  • Predicted outcomes generally fall within a clinically acceptable range.
  • No specific software demonstrated superior predictive accuracy over others.