Orthodontic tooth movement device, systems and methods
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United States of America Patent
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Sep 1, 2015
Grant Date -
Nov 26, 2009
app pub date -
May 23, 2008
filing date -
May 23, 2008
priority date (Note) -
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Abstract
The present invention provides orthodontic appliances and systems, and related methods, for applying a force to a target tooth as an appliances is worn by the patient. One positioning appliance includes a tooth positioning appliance having teeth receiving cavities shaped to apply a positioning force to the patient's teeth. The appliance includes a spring-loaded tooth movement device disposed in the appliance so as to engage an attachment mounted on a surface of a patient's tooth and apply a force to the tooth.
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