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Effectiveness of interceptive orthodontic treatment in reducing malocclusions
Gregory J King1, Pongsri Brudvik
1University of Washington, Department of Orthodontics, Box 357446, Seattle, WA 98195, USA. gking@u.washington.edu
Summary
Interceptive orthodontic treatment effectively improves malocclusion in children. While not producing final results, it leads to significant improvements in various dental aspects.
Area of Science:
- Orthodontics
- Pediatric Dentistry
- Dental Public Health
Background:
- Interceptive orthodontic treatment aims to correct developing malocclusions in children.
- Effectiveness of early orthodontic interventions requires rigorous evaluation.
Purpose of the Study:
- To compare the effectiveness of interceptive orthodontic treatment versus no treatment in improving malocclusion.
- To assess changes in malocclusion severity using the Index of Complexity, Outcome and Need (ICON).
Main Methods:
- Retrospective cohort study comparing treated patients (n=133) with untreated controls (n=113).
- Subjects were in the mixed dentition stage, matched for age and malocclusion severity (ICON).
- ICON scores were analyzed before and after treatment/observation periods.
Main Results:
- Interceptive treatment significantly reduced ICON scores by 38.8% (P <0.0001).
- Treated patients showed improvements in esthetics, crowding, crossbite, and overbite.
- Control group showed no improvement, with 89.4% categorized as 'not improved or worse'.
Conclusions:
- Interceptive orthodontic treatment is effective in improving malocclusion during the mixed dentition phase.
- Treatment leads to measurable improvements but does not achieve finished orthodontic results.
- Further treatment may be necessary after interceptive interventions.
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