Korean J Orthod.
1996 Jun;26(3):281-290.
Analysis of force system developed by continuous straight archwire
- Affiliations
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- 1Department of Orthodontics, College of Dentistry, Yonsei University, Korea.
Abstract
- Determination of force system and prediction of side effects from unbent straight wire engaged in edgewise bracket is clinically very difficult because it is statically indeterminate system. This study is to develop a linear beam theory that explains the force system for straight wire engaged in edgewise bracket regardless of geometry(a/b), material, cross section of wire, and interbracket distance. 1. Formula for force system of bilateral fixed end beam was derived. 2. It is possible to calculate force system of each tooth engaged in continuous straight wire. 3. The possibility and location of permanent deformation can be predicted.
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