Orthodontic bracket

Details Orthodontic bracket Orthodontic bracket

1984-03-27

1985-01-08

Peshock, Robert

Dentistry

Orthodontics

Bracket

433 14, A61C 700

Patent

active

044925735

ABSTRACT:
A new orthodontic bracket comprises a bracket body with a mesial-distal slot for the reception of an arch wire and a resilient retainer member for retaining the arch wire in the slot, the retainer member being movable on the bracket body in the occlusal-gingival directions between a slot-closed position and a slot-open position. When in the slot-closed position the end of the part of the retainer member which closes the slot extends into a mesial-distal extending retainer slot in the gingival wall of the arch wire slot so that movement of the retainer member end in the labial direction is limited by its engagement with the lingual wall of the retainer slot. The wall that is engaged by the retainer member end preferably in narrower than the bracket body and may comprise a small piece of the spring material used for the retainer member welded to the bracket body. The engaging faces of the retainer member and the retainer slot may be inclined to retain the retainer member in the slot-closed position. The small piece may extend gingivally from the body to provide a tie wing that can receive tie wires and elastics when required.

REFERENCES:
patent: 4144642 (1979-03-01), Wallshein
patent: 4197642 (1980-04-01), Wallshein

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