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Maxillary impacted canines: Statistical modeling of traction duration and resorption
Laura Brands1,2, Jean-Baptiste Kerbrat1,2, Thomas Schouman1,2
1Hôpital Pitié-Salpêtrière, Service de Stomatologie et Chirurgie maxillo-faciale, 47-83 boulevard de l’Hôpital, 75651 Paris cedex 13, France
L' Orthodontie Francaise
|July 16, 2025
Summary
Impaction of maxillary canines, affecting nearly 1% of people, requires accurate prediction of treatment. This study developed models to forecast traction duration and resorption risk for impacted canines.
Area of Science:
- Orthodontics
- Dental Imaging
- Oral Surgery
Context:
- Maxillary canine impaction affects 0.92% of the population, impacting occlusion.
- Accurate diagnosis and treatment planning are crucial for impacted canines.
Purpose:
- Identify etiological factors of maxillary canine impaction.
- Develop predictive models for traction duration and resorption risk.
Summary:
- Palatal canines impact more frequently and need longer traction.
- Predictive models for traction duration (91% accuracy) and resorption risk (76% accuracy) were developed.
- Factors influencing impaction include canine position, follicle size, height, apex location, palatal expander use, and deciduous canine extraction.
Impact:
- Models can aid clinicians in forecasting treatment duration and resorption risk.
- Findings may inform future diagnostic software for orthodontic treatment planning.
