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A hybrid approach to predicting and classifying dental impaction: integrating regularized regression and XG boost
Asok Mathew1, Pradeep K Yadalam2, Ahmed Radeideh3
1Department of Clinical Sciences, College of Dentistry, Centre for Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates.
Frontiers in Oral Health
|May 13, 2025
Summary
This study developed a hybrid AI model to predict lower third molar impaction, achieving 78% accuracy. The model analyzes key radiographic measurements to aid dental practitioners in treatment planning and reducing complications.
Area of Science:
- Dental medicine
- Healthcare analytics
- Artificial intelligence in dentistry
Background:
- Dental impaction, a tooth alignment issue, presents a clinical challenge requiring advanced predictive modeling.
- Radiographic measurements like panoramic radiographs and CBCT are used for diagnosis, with AI enhancing prediction accuracy.
Purpose of the Study:
- To predict the eruption of mandibular third molars using a hybrid approach combining regularized regression and ensemble methods.
- To develop a robust clinical decision support system for dental practitioners by improving impaction prediction accuracy.
Main Methods:
- Quantitative, observational, cross-sectional retrospective study analyzing three parameters: 2nd molar to anterior border distance, 3rd molar mesiodistal width, and root apex to inferior border distance.
- Utilized ensemble learning algorithms integrated with regularized regression techniques for feature selection and predictive modeling.
Main Results:
- The hybrid approach achieved 78% accuracy in predicting dental impaction.
- Horizontal impaction showed the lowest space/width ratio (0.9267), indicating low eruption potential.
- Regularized logistic regression model attained 75% accuracy for classification and prediction.
Conclusions:
- The study identified key parameters (distance from 2nd molar to anterior ramus border and 3rd molar mesiodistal width) for predicting the space/width ratio.
- Advanced modeling techniques and data quality enhancement are crucial for improving predictive capabilities in dental impaction.
- Findings support optimized treatment planning and reduced potential complications for dental practitioners.

