Effects of reversing the coiling direction on the force-deflection characteristics of nickel-titanium closed-coil springs.
Hwan-Hyung ParkSuk-Hwan JungJuil YoonKwang Koo JeeJun Hyun HanSeung-Hak BaekPublished in: Korean journal of orthodontics (2019)
The two commercially available NiTi-CCS groups exhibited different patterns of change in the force-deflection characteristics when the coiling direction was reversed.