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Intelligent Dental Handpiece: Real-Time Motion Analysis for Skill Development.

Mohamed Sallam1, Yousef Salah1, Yousef Osman1

  • 1College of Artificial Intelligence, Arab Academy for Science, Technology and Maritime Transport, Alamin 51718, Egypt.

Sensors (Basel, Switzerland)
|October 29, 2025
PubMed
Summary

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A new Intelligent Dental Handpiece (IDH) uses motion sensors and machine learning to provide real-time feedback on dental students' hand movements. This smart tool accurately assesses technique, enhancing dental training and improving practitioner skills.

Area of Science:

  • Biomedical Engineering
  • Dental Education Technology
  • Machine Learning in Healthcare

Background:

  • Dental education requires advanced tools for precise skill development.
  • Current training methods may lack objective, real-time feedback on manual dexterity.
  • The need for innovative solutions to enhance dental practitioner proficiency is growing.

Purpose of the Study:

  • To introduce the Intelligent Dental Handpiece (IDH), a novel training tool for dental education.
  • To develop and evaluate a machine learning system for real-time analysis of dental hand movements.
  • To assess the accuracy and effectiveness of the IDH in classifying different motion states during practice.

Main Methods:

  • Integration of motion sensors and a lightweight machine learning system into a dental handpiece.
Keywords:
dental skill assessmentintelligent dental handpiecemotion classificationreal-time feedback

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  • Classification of hand movements into Alert, Lever Range, and Stop Range based on IMU-derived features.
  • Training and evaluation of multiple machine learning models (Logistic Regression, Random Forest, SVM, Neural Network) using data from 61 practitioners.

    • Main Results:

    • Machine learning models achieved high accuracy, ranging from 98.52% to 100%.
    • Random Forest and Logistic Regression models demonstrated perfect classification accuracy and an AUC score of 1.00.
    • Key motion features like Deviation and Take Time were identified as significant predictors of skill levels.

    Conclusions:

    • The Intelligent Dental Handpiece (IDH) provides a practical and scalable solution for dental training.
    • Real-time feedback from the IDH can significantly improve dental students' dexterity, safety, and confidence.
    • This technology represents a significant advancement in smart tools for modern dental education.