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Published on: October 27, 2023
Miniscrews for upper incisor intrusion.
Omur Polat-Ozsoy1, Ayca Arman-Ozcirpici, Firdevs Veziroglu
1Department of Orthodontics, Baskent University, Ankara, Turkey. omurorto@yahoo.com
European Journal of Orthodontics
|March 18, 2009
Summary
This study shows that orthodontic miniscrews can achieve true incisor intrusion, effectively reducing deep bites and gummy smiles. Further research with more patients is recommended for long-term validation.
Area of Science:
- Orthodontics
- Dental Implantology
Background:
- Deep bite and gummy smile are common orthodontic concerns.
- Miniscrews offer skeletal anchorage for controlled tooth movement.
Purpose of the Study:
- To evaluate the efficacy of miniscrews in achieving true incisor intrusion.
- To assess the reduction in overbite and gummy smile using miniscrew anchorage.
Main Methods:
- Eleven patients with deep bite and gummy smile were treated.
- Intrusive force was applied to maxillary incisors using miniscrews and coil springs.
- Cephalometric analysis measured incisor intrusion and angulation changes.
Main Results:
- Mean incisor intrusion of 1.92 mm and overbite reduction of 2.25 mm were achieved.
- Changes in incisor angulation were not statistically significant.
- True intrusion was possible with forces near the center of resistance.
Conclusions:
- Miniscrews enable true incisor intrusion for correcting deep bites.
- Larger sample sizes and long-term follow-up are needed to confirm findings.