Dentistry – Orthodontics – Bracket
Patent
1996-04-01
1999-01-12
O'Connor, Cary E.
Dentistry
Orthodontics
Bracket
433 10, A61C 700
Patent
active
058578501
ABSTRACT:
In one embodiment, a pre-engaging orthodontic bracket includes a body having a lingual surface for attachment to a tooth, a pair of laterally spaced gingival tie wings and a pair of laterally spaced occlusal tie wings. The gingival and occlusal tie wings project from a labial surface of the body. An archwire slot extends mesiodistally across the body and between the gingival and occlusal tie wings at opposed mesial and distal sides of the body to accommodate an archwire. A pivot pin extends between a pair of the tie wings at opposed mesial and distal sides of the body. A shutter is moveable relative to the body between an open position in which placement and removal of an archwire into the archwire slot is facilitated and a closed position in which placement and removal of an archwire into the archwire slot is inhibited. The shutter includes a stem portion extending between the pair of tie wings and engages the pivot pin and a transverse arm portion at one end of the stem portion to engage the archwire slot when the shutter is in the closed position.
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