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Crowding: timing of treatment
1Boston University, Goldman School of Graduate Dentistry, Department of Orthodontics, Mass 02118-2392.
The Angle Orthodontist
|January 1, 1994
Summary
The late mixed dentition stage is ideal for orthodontic treatment to correct dental crowding. Arch length preservation can resolve crowding in most patients without extractions, or first premolars can be extracted if necessary.
Area of Science:
- Dentistry
- Orthodontics
- Pediatric Dentistry
Background:
- Dental crowding is a common orthodontic issue.
- The late mixed dentition stage, post-first premolar eruption, presents a critical window for intervention.
- Early treatment can prevent more complex issues later.
Purpose of the Study:
- To outline a treatment protocol for resolving dental crowding during the late mixed dentition stage.
- To provide clinicians with viable nonextraction and extraction options.
- To assess the efficacy of arch length preservation for crowding relief.
Main Methods:
- The study focuses on treatment timing during the late mixed dentition.
- It proposes arch length preservation as a nonextraction approach.
- It identifies first premolar extraction as a secondary option when indicated.
Main Results:
- Arch length preservation successfully resolves crowding in approximately 75% of patients.
- This nonextraction method offers a viable alternative to tooth removal.
- First premolar extraction remains an option for cases requiring it.
Conclusions:
- The late mixed dentition stage is a favorable period for addressing dental crowding.
- A protocol offering both nonextraction (arch length preservation) and extraction options provides flexibility.
- Nonextraction treatment through arch length preservation is effective for a majority of patients.