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[Multipurpose miniscrews: combined canine disimpaction and malocclusion correction]
Stéphane Renger1, Marie Lailheugue2, Sarah Gebeile-Chauty3
113 rue du Temple, 68300 Saint-Louis, France.
L' Orthodontie Francaise
|March 31, 2021
Summary
This case series demonstrates that a single palatal miniscrew effectively treats canine impaction and Class II malocclusion, including overbite. This approach offers aesthetic benefits and reduces patient cooperation needs during early treatment stages.
Area of Science:
- Orthodontics
- Dental Implantology
Background:
- Canine impaction and malocclusions like Class II and overbite present complex orthodontic challenges.
- Miniscrews offer skeletal anchorage, enabling precise tooth movement.
Purpose of the Study:
- To evaluate the efficacy of a single palatal miniscrew for simultaneous or successive treatment of canine impaction and malocclusions.
- To assess the clinical outcomes and patient experience with this minimally invasive approach.
Main Methods:
- A case series involving three 13-year-old patients with Class II malocclusion, overbite, and canine impaction.
- Placement of palatal miniscrews mesial to the first molar for direct or indirect anchorage.
- Continuous use of the same miniscrew throughout the treatment duration.
Main Results:
- Successful correction of canine impaction, Class II malocclusion, and overbite in all three patients.
- Miniscrew anchorage facilitated efficient and predictable orthodontic treatment.
- Early treatment phases were aesthetically favorable and did not necessitate patient cooperation.
Conclusions:
- A single palatal miniscrew is a viable and effective tool for managing complex orthodontic cases involving canine impaction and malocclusions.
- This technique simplifies treatment mechanics and enhances patient comfort and compliance.
- Further research should explore long-term outcomes and broader applications.

