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Relapse following maxillary expansion. A study of twenty-five consecutive cases
American Journal of Orthodontics
|January 1, 1983
Summary
Maxillary expansion in 25 patients achieved a stable 3.5 mm net expansion after 2.5 years, showing no relapse. This orthodontic treatment also improved dental alignment, with reasons for stability discussed.
Area of Science:
- Orthodontics
- Craniofacial development
Background:
- Maxillary expansion is a common orthodontic procedure.
- Long-term stability of maxillary expansion outcomes is crucial for treatment success.
Purpose of the Study:
- To evaluate the long-term stability of maxillary expansion.
- To assess the degree of relapse after maxillary expansion.
- To measure the associated improvement in dental alignment.
Main Methods:
- Twenty-five patients undergoing maxillary expansion were studied.
- Expansion was measured 2-3 months post-retention and again 2.5 years post-retention.
- Dental alignment improvement was quantified using a specific index.
Main Results:
- A net expansion of 3.5 mm was achieved.
- No significant relapse was observed 2.5 years after retention.
- Significant improvement in dental alignment was noted.
Conclusions:
- Maxillary expansion can provide stable long-term results.
- The observed stability may be attributed to specific treatment or patient factors.
- Maxillary expansion effectively improves dental alignment and stability.