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Comparative evaluation between conventional and digital orthodontic model analysis.

Rana Sarchanar Jamal1, Parthiban Krishnaraj2, Syed Mohammad Osama Ahsan3

  • 1Dental Intern, College of Dentistry, Ajman University, United Arab Emirates.

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Summary
This summary is machine-generated.

Digital orthodontic model analysis using intraoral scans is as accurate and reproducible as traditional plaster models. This digital method offers better time efficiency, making it a viable clinical alternative.

Keywords:
Digital orthodontic modelsconventional plaster modelsdiagnostic accuracyintraoral scanningmodel analysisorthodontic diagnosis

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Area of Science:

  • Dentistry
  • Orthodontics
  • Digital Imaging

Background:

  • Conventional orthodontic treatment relies on plaster models derived from alginate impressions.
  • Evaluating the accuracy, reproducibility, and efficiency of digital orthodontic models is crucial for modern clinical practice.

Purpose of the Study:

  • To compare the accuracy, reproducibility, and time efficiency of digital orthodontic model analysis with conventional plaster model analysis.
  • To validate intraoral scans as a reliable method for orthodontic diagnostics.

Main Methods:

  • A cross-sectional study involving 60 patients undergoing orthodontic treatment.
  • Acquisition of both plaster models (from alginate impressions) and digital models (via intraoral scans).
  • Analysis of tooth and arch measurements, and Bolton analysis performed by two independent examiners using both model types.

Main Results:

  • Digital orthodontic model analysis demonstrated equivalent accuracy and high reproducibility compared to traditional plaster models.
  • The digital analysis method proved to be more time-efficient than the conventional approach.
  • Statistical analysis using intraclass correlation coefficients, paired t-tests, and Bland-Altman analysis supported the findings.

Conclusions:

  • Digital orthodontic model analysis using intraoral scans is a valid and reliable alternative to traditional plaster models.
  • The adoption of digital models in orthodontics can enhance clinical workflow efficiency without compromising diagnostic quality.