Importance

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Abstract

The bracket comprises flange means adapted to be secured to a tooth of a patient, a bearing member having a neck portion connected to said flange means and a through hole on an axis which is transversely spaced from said flange means, and a rotary catch member mounted in said through hole for rotation on said axis and defining with said neck portion and said flange means a channel which is disposed on one side of said bearing member and open opposite to said neck portion and adapted to receive a wire so that the latter is engageable with said flange means. The rotary catch member is formed with actuating means which are peripherally spaced from said channel and engageable by an implement for rotating the rotary catch member. The rotary catch member is rotatable on said axis to a retaining position and in said retaining position is adapted to retain a wire in said channel. A U-shaped member is detachably fitted over said neck portion and has a crosspiece extending in said channel. The channel is adapted to receive a square-section wire in engagement with said U-shaped member. The rotary catch member is adapted in said retaining position to retain said square-section wire in said channel and in engagement with said U-shaped member.

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First Claim