Plastic deformation of orthodontic wires.

Goldberg A J, Burstone C J, Koenig H A

J Dent Res. 1983 Sep;62(9):1016-20. doi: 10.1177/00220345830620090401.

Theoretical predictions of the bending moments in the region of plastic behavior were accurate for beta titanium and stainless steel, but were consistently low in the far-elastic region for the three alloys studied.