Patent 9572971 was granted and assigned to National Tsing Hua University on February, 2017 by the United States Patent and Trademark Office.
The present invention provides an osmotic orthodontic appliance, comprising: an actuation structure forming a hollow tube filled with a supersaturated solution; a dental aligner structure mounted on the actuation structure for fixing the actuation structure on teeth; and a pumping structure connected one end of the hollow tube, comprising a semipermeable device and a supporting structure. The osmotic orthodontic appliance of the present invention could provide steady movement and force output; it is a solution for the periodic actuation problem of conventional orthodontic appliances.