Self-ligating orthodontic bracket with sliding ligation cover

Details Self-ligating orthodontic bracket with sliding ligation cover Self-ligating orthodontic bracket with sliding ligation cover

2011-06-21

2011-06-21

Lewis, Ralph A (Department: 3732)

Dentistry

Orthodontics

Bracket

C433S011000

Reexamination Certificate

active

07963767

ABSTRACT:
Self-ligating orthodontic brackets include a bracket base, at least one arch wire slot formed in the bracket base adapted to receive an arch wire therein, and a ligation cover which is selectively slidable relative to the bracket base between an open non-ligating position relative to the slot and a closed, ligating position relative to the slot. The exterior labial surface of both the base and ligation cover comprise a compound two axis curvature so that substantially all of the exterior labial surface of both the bracket base and the ligation cover present a smooth, continuous exterior surface that is substantially free of sharp discontinuities and crevices.

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