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Automated scoring and augmented reality visualization software program for evaluating tooth preparations.

Hang-Nga Mai1, Hien Chi Ngo2, Seok-Hwan Cho3

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Automated scoring and augmented reality (ASAR) software provides tooth preparation evaluations comparable to expert assessments. This innovative method significantly improves time efficiency and enhances learning through AR visualization.

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Area of Science:

  • Dental Prosthetics
  • Computer-Aided Design/Manufacturing (CAD/CAM)
  • Medical Education Technology

Background:

  • Traditional tooth preparation evaluation relies on subjective visual inspection, leading to examiner variability.
  • Objective and reliable methods are crucial for effective dental education and prosthetic dentistry.

Purpose of the Study:

  • To evaluate a novel automated scoring and augmented reality (ASAR) visualization software for assessing tooth preparations.
  • To compare the reliability and efficiency of ASAR with traditional visual assessment methods.

Main Methods:

  • 122 student-prepared tooth models (anterior and posterior) were assessed using visual inspection (student/expert) and ASAR software.
  • ASAR utilized a 3D point-cloud comparison, generating detailed reports, summary scores, 3D deviation maps, and AR-QR codes.
  • Statistical analysis included Kruskal-Wallis and Mann-Whitney U tests to compare scores and evaluation times.

Main Results:

  • ASAR evaluation scores were comparable to expert assessments for both anterior and posterior teeth.
  • Automated scoring demonstrated significantly higher time efficiency compared to expert and self-assessments.
  • ASAR provided similar evaluation times for anterior and posterior teeth, unlike traditional methods.

Conclusions:

  • ASAR-based tooth preparation evaluation is a reliable alternative to expert assessment, offering superior time efficiency.
  • Augmented reality quick-response (AR-QR) codes integrated into ASAR enhance dental training and learning through accessible data storage and visualization.