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Predicting functional appliance treatment outcome in Class II malocclusions--a review
Summary
Choosing patients for functional appliance therapy is challenging due to limited evidence. Successful treatment typically involves significant overjet, increased overbite, active facial growth, and good patient cooperation.
Area of Science:
- Orthodontics
- Dentofacial Orthopedics
Background:
- Selecting appropriate cases for functional appliance therapy is difficult.
- Existing literature is largely anecdotal with varying study designs.
- Most research focuses on the Andresen appliance.
Purpose of the Study:
- To review and synthesize the literature on case selection for functional appliance treatment.
- To identify key factors influencing the success of functional appliance therapy.
Main Methods:
- Literature review of studies on functional appliance treatment.
- Analysis of case characteristics associated with successful outcomes.
Main Results:
- Functional appliances show promise in specific orthodontic cases.
- Key indicators for success include overjet up to 11 mm, increased overbite, and active facial growth.
- Patient cooperation is a critical factor.
Conclusions:
- Evidence-based guidelines for functional appliance case selection are needed.
- Treatment success is multifactorial, depending on patient-specific characteristics and appliance type.