West China Journal of Stomatology 2012;30(2):222-223

A gate spring which can torque an individual tooth with high efficiency.

Yu LI 1 ; Yu GUAN ; Lanlan PAN ; Zhihe ZHAO

Affiliations

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Country

China

Language

Chinese

Abstract

It is to address torquing an individual tooth using a gate spring. The gate spring is made of a rectangular stainless steal wire, in the shape of a gate, which is incorporated to the archwire by spot welding. Torque is generated by the combined effects of the gate spring and the archwire. After 2-3 months, the gate spring can obviously torque individual tooth.