Cervical traction is being superseded by occipital traction. Headcaps are linked to a face bow, or through cheekwires, direct to the archwire. The direction of this force is controlled and specific and in line with the aims of treatment. Various types are described and the indications for their use discussed.
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References
1.
ArmstrongM. M. (1971) Controlling the magnitude direction and duration of extra oral force, American Journal of Orthodontics, 59, 217–243.
2.
GeeD. (1972) Personal communication.
3.
HickhamJ. H. (1974) Directional edgewise orthodontic approach, Journal of Clinical Orthodontics, 8, 617–633.
4.
HoldawayR. (1972) Personal communication.
5.
KloehnS. J. (1953) Orthodontics—force or persuasion, Angle Orthodontist, 23, 56–65.
6.
MerryfieldL. L. and CrossJ. J. (1970) Directional forces, American Journal of Orthodontics, 57, 435–464.
7.
RickettsR. M. (1975) Growth prediction, Journal of Clinical Orthodontics, 9, 340–362.
8.
RootT. L. (1975) On headgear, Journal of Clinical Orthodontics, 9, 20–41.
9.
SchudyF. F. (1975) The rotation of the mandible resulting from growth: its implications in orthodontic treatment, Angle Orthodontist, 35, 36–50.