Orthodontic coil spring and method of making the same

Details Orthodontic coil spring and method of making the same Orthodontic coil spring and method of making the same

1988-03-17

1989-07-18

Dean, R.

Metal treatment

Compositions

Heat treating

148 115N, 148402, 420902, C22F 110

Patent

active

048490326

ABSTRACT:
An orthodontic coil spring is made of a shape-memory alloy wire which is wound into a coil and heat treated into a superelastic state. The coil spring imparts a predetermined spring force within a superelastic zone of deflection.

REFERENCES:
20 Kirk-Othmer, Encyclopedia of Chemical Technology, 726 733 (3d ed. 1982) New York.

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