发明申请
US20050186524A1 Arch expander 审中-公开
拱扩展器

Arch expander
摘要:
Systems and methods are disclosed for making an arch expander for a patient by scanning the patient's dentition; fabricating an appliance adapted to be positioned between posterior teeth and a palatal arch, the appliance having first and second movable portions; and providing an expander between the first and second portions of the appliance.
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