TOOTH POSITIONING APPLIANCE AND USES THEREOF
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United States of America Patent
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app pub date -
Apr 24, 2015
filing date -
Apr 13, 2001
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Abandoned
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Abstract
The present invention discloses an orthodontic appliance for positioning teeth and its application in orthodontic treatment planning using a work station. 3D teeth models are created from scanning data. These teeth models display a patient's teeth in initial or mal-occlusion. Then an orthodontic treatment planning is performed and the teeth are positioned in a desired position. 3D model of teeth in mal-occlusion is super imposed on the 3D model of the teeth in the desired position. Gingiva obtained from the scanning data is also superimposed on the combination of the 3D mal-occlusion model and the 3D desired position model. The resulting 3D model is used to create a 3D composite physical dentition model using a 3D printing device or a 3D printer. Dimples of the desired shape and position are then placed on the composite physical model. The teeth positioning appliance is then created by molding plastic on the composite physical model. Buttons are created on the plastic device where the dimples are placed on the composite model. The plastic device is then placed on the teeth like an aligner or a retainer. The buttons apply forces on the teeth to move the teeth in the desired position.
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