Noble P M, Butcher G W
United Medical School of Guy's, London.
Br J Orthod. 1991 May;18(2):135-8. doi: 10.1179/bjo.18.2.135.
A removable appliance design has been described which is useful in the traction of ectopic canine teeth and is capable of exerting forces in all planes of space, thus optimizing the potential to achieve a stable and aesthetically pleasing result. It does not substitute for the finesse of a fixed appliance, but is a useful tool for when a fixed appliance is not acceptable to the patient. The appliance is cheap to construct, easy to adjust and keep clean, and is well tolerated by patients.