headgear

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head·gear

(hed'gēr),
A removable extraoral appliance used as a source of traction to apply force to the teeth and jaws.

headgear

(hĕd′gîr′)
n.
An orthodontic brace extending around the head from one side of the mouth to the other, used to reposition the teeth or to restrict the growth of the upper jaw.

headgear

[hed′gēr]
a harnesslike device fitting over the top of the head, back of the head, or both, serving as a source of resistance for extraoral anchorage for an orthodontic appliance. Also called headcap.

headgear

A generic term for a device worn on the head to minimise the effect of external forces.

head·gear

(hed'gēr)
Removable extraoral appliance used to apply force to teeth and jaws.

headgear,

n the apparatus encircling the head or neck and providing attachment for an intraoral appliance in use of extraoral anchorage.
headgear, radiologic,
n a device that is used to protect the head from injury by radiation.