Springate S D, Sandler P J
Institute of Dental Surgery, London.
Br J Orthod. 1991 May;18(2):139-41. doi: 10.1179/bjo.18.2.139.
The use of neodymium-iron-boron micro-magnets as a fixed retainer which does not hinder oral hygiene, is reported. A patient with persistent midline spacing treated using this method is described.