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Automated PAR Index Calculation on Orthodontic Treatment Using Software and Machine Learning Tools

Team

  • E/18/154, Chamudi Jayasumana, email
  • E/18/349, Anushanga Pavith, email
  • E/18/327, Chamara Dilshan, email

Supervisors

  • Dr. Asitha Bandaranayake, email
  • Dr Kumari Ratnatilake, email

Table of content

  1. Abstract
  2. Related works
  3. Methodology
  4. Experiment Setup and Implementation
  5. Results and Analysis
  6. Publications
  7. Links

Abstract

Orthodontic treatment is essential for correcting misaligned and uneven teeth while contributing significantly to oral health and aesthetics. Traditional methods for evaluating orthodontic treatment success rely heavily on the manual examination of pre and post-treatment dental models, using indices like the Peer Assessment Rating (PAR) index. However, these methods suffer from subjectivity and variability, particularly among less experienced practitioners. This review of the literature looks into the creation and use of software tools intended to automate the evaluation of orthodontic treatment results using 3D models of orthodontic studies. Comparing manual and software-based evaluations highlights the potential of digital technologies to offer more objective, efficient, and accessible assessment methods. It explores the PAR index's role in treatment evaluation, the advantages of 3D visualization and analysis in orthodontics, existing digital tools in the field, and the statistical methods, use of machine learning in orthodontics and algorithms that underpin software evaluations. This exploration aims to demonstrate the benefits of software tools in enhancing treatment evaluation accuracy, improving learning for early-career orthodontists, and making standardized assessment methods more accessible to all practitioners.

Related works

PAR Index: A key tool for evaluating orthodontic treatment outcomes, measuring deviations from ideal alignment and occlusion. Studies have validated its reliability and importance in orthodontic assessments, advocating for weighted scores to better reflect treatment improvements.

3D Visualization and Analysis: Advances in digital technology enable precise 3D modelling of dental structures, improving diagnosis, treatment planning, and outcome evaluation. Various studies emphasize the accuracy and reliability of 3D scans and the benefits of CAD software in orthodontics.

Machine Learning in Orthodontics: Machine learning applications are revolutionizing orthodontic diagnostics, treatment planning, and outcome evaluation by automating landmark identification, skeletal classification, and malocclusion diagnosis, among others. However, challenges such as data quality and model overfitting are noted.

Software Tools Development: The creation of digital tools like the Ortho Analyzer software and Dental Monitoring System demonstrates significant improvements in patient care, offering efficient, accurate, and patient-friendly orthodontic treatment evaluations. These tools leverage digital models and AI for better orthodontic practice management and treatment monitoring.

Methodology

System Data Flow

Data Flow

Experiment Setup and Implementation

Results and Analysis

Publications

  1. Semester 7 report
  2. Semester 7 slides

Links