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1. J HOOK HEADGEAR
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2. J Hook Head Gear
Variable pull J-hook headgear High pull J-hook headgear.
Dr.Terrell . L .Root; JCO, 1975
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3. A. High-pull headgear
to segmented arch.
B.Retraction and
intrusion. C. Headgear
force vector relative to
incisor position.
D.
Superimposition
showing retraction and
intrusion.
E. X-ray before
treatment showing
open apices.
F. X-ray after
treatment with no root
resorption.
G. Occlusion after
second phase of fixed
appliances.
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4. J HOOK T0 2X4 HOOK UP
Variable pull headgear applied to 2 x 4 hookup.
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5. J HOOK TO 2X2 HOOK UP
Variable pull headgear applied directly to the two upper centrals.www.indiandentalacademy.com

6. J Hook to Overlay Retainer
Deep overbite opened with overlay bite plate to
expedite tooth movement.www.indiandentalacademy.com

7. Modified end of Lee headgear J-hook engaging
horizontal loop in the archwire.
J hooks engaging in arch wire loop
Hooks engaged over main archwire mesial
to laterals.
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