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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
1Research Professor, Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Republic of Korea; and Lecturer, Dental School, Hanoi University of Business and Technology, Hanoi, Vietnam.
The Journal of Prosthetic Dentistry
|March 15, 2024
Summary
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.
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.

