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Extrusion-based leveling with segmented arch mechanics
Hassan Noroozi1, Hassan Moeinzad
1Faculty of Dentistry, University of Tehran and Dental Research Center, Shahid Beheshti University, Iran. noroozih@yahoo.com
The International Journal of Adult Orthodontics and Orthognathic Surgery
|April 6, 2002
Summary
This study introduces a segmented arch technique for posterior extrusion in orthodontics. This method improves incisor position control compared to traditional continuous archwires.
Area of Science:
- Orthodontics
- Biomechanical Engineering
Background:
- Dental arch leveling is crucial for orthodontic treatment.
- Posterior extrusion is a common method for correcting deep bites and mandibular deficiencies.
- Continuous archwires often lead to undesirable incisor flaring during posterior extrusion.
Purpose of the Study:
- To propose a novel segmented arch arrangement for posterior extrusion.
- To combine the clinical simplicity of continuous mechanics with enhanced control over incisor position.
Main Methods:
- A segmented archwire system was designed for orthodontic tooth movement.
- The technique focuses on controlled posterior extrusion while minimizing anterior flaring.
Main Results:
- The proposed segmented arch arrangement offers improved control of incisor position during posterior extrusion.
- This method aims to mitigate the disadvantage of incisor flaring associated with continuous archwires.
Conclusions:
- Segmented arch mechanics provide a viable alternative for posterior extrusion.
- This technique enhances treatment predictability and patient outcomes in cases requiring arch leveling.