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Miniscrews as orthodontic anchorage: a preliminary report
A Costa1, M Raffainl, B Melsen
1Department of Surgery, University of Parma, Italy.
The International Journal of Adult Orthodontics and Orthognathic Surgery
|December 4, 1998
Summary
Orthodontic miniscrews offer an alternative anchorage solution for tooth movement in patients with deficient dentition. While easily placed and loaded, their stability may be limited under torsional forces.
Area of Science:
- Orthodontics
- Dental Implantology
Background:
- Anchorage is crucial for predictable orthodontic tooth movement, especially in patients with limited dental support.
- Traditional methods like implants and zygoma wires have limitations for orthodontic anchorage.
Purpose of the Study:
- To evaluate miniscrews as a viable alternative for orthodontic anchorage.
- To discuss optimal placement locations for miniscrews based on bone quality.
- To demonstrate the application of miniscrews in various orthodontic tooth movements.
Main Methods:
- Literature review of existing orthodontic anchorage solutions.
- Analysis of bone quality in dry skulls to determine miniscrew placement sites.
- Clinical demonstration of miniscrew application for different tooth movements.
Main Results:
- Miniscrews provide an accessible and easily removable anchorage option.
- Immediate loading following insertion is feasible.
- Limited stability was observed when miniscrews were subjected to torsional forces.
Conclusions:
- Miniscrews represent a promising alternative for orthodontic anchorage.
- Careful consideration of placement and potential limitations, particularly under torsion, is necessary for optimal outcomes.