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anchorage in which the top and back of the head are used for resistance by means of a headgear.
an orthodontic anchorage in which the resistance is borne by the top and back of the head and the force is transmitted to the teeth by means of the headgear and heavy elastics connected with attachment on the teeth.
oc·cip·i·tal an·chor·age(ok-sipi-tăl angkŏr-ăj)
Anchorage in which top and back of head are used for resistance by means of a headgear.