Patent ID: 8905755

Claim:
A orthodontic appliance for treating malocclusions, with a flexible end and a rigid end, wherein a flex point occurs at the mid-point of said flexible end, comprising: a rigid member; a sliding member for sliding engagement within said rigid member; a flexible coil spring containing said flex point; an unwound extension of said coil spring for bendable attachment with a molar tube; a connection key; and a keyway; wherein a first end of the rigid member is secured to a said flexible coil spring and a second end of the rigid member is secured to said connection key via said sliding member; wherein said connection key is designed for mating and locking engagement with said keyway; wherein said keyway is designed for attachment to an archwire; and wherein said flex point occurs within 25-45% of a total appliance length from said unwound extension; whereby said orthodontic appliance when installed in a patient's mouth exerts a gentle sweeping force, pushing on the patient's upper and lower jaws in an intrusive fashion.