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How effective is the combined activator-headgear treatment?
1University of Oslo, Department of Orthodontics, Norway.
European Journal of Orthodontics
|December 1, 1991
Summary
This retrospective study analyzed activator-headgear orthodontic treatment success. High failure rates were observed, with patient cooperation being the most critical factor for satisfactory outcomes.
Area of Science:
- Orthodontics
- Craniofacial Growth
Background:
- The activator-headgear combination is a common orthodontic appliance.
- Understanding its success and failure rates is crucial for treatment planning.
Purpose of the Study:
- To retrospectively analyze the frequency and causes of failure and success using activator-headgear as the sole orthodontic appliance.
- To identify factors influencing treatment outcomes in patients treated between 1972-1982.
Main Methods:
- Retrospective analysis of 78 patients (32 girls, 46 boys) treated with activator-headgear without initial fixed appliances.
- Evaluation of treatment outcomes based on strict criteria for satisfactory results.
- Assessment of patient cooperation levels.
Main Results:
- Only 14 subjects (18%) achieved entirely satisfactory results.
- Even among highly cooperative patients, less than 50% had satisfactory outcomes.
- Poor or decreasing patient cooperation invariably led to unsatisfactory results.
- Sex, treatment duration, and ulnar sesamoid bone ossification did not significantly impact results.
Conclusions:
- Activator-headgear as a sole appliance has a high failure rate.
- Patient cooperation is the most significant factor determining the success of activator-headgear treatment.
- Further research may be needed to optimize treatment protocols or explore alternative approaches.