Self-ligating orthodontic bracket with enhanced rotation control
First Claim
Patent Images
1. An orthodontic bracket comprising:
- a base;
a body extending from the base;
an archwire slot extending along the body, the archwire slot including a mesial end section, a distal end section and an intermediate section between the mesial end section and the distal end section, and wherein each of the mesial end section and the distal end section includes an archwire relief area having a greater occlusal-gingival width than the occlusal-gingival width of the intermediate section;
a latch movable relative to the body, the latch being movable to a slot-open position to enable insertion or removal of an archwire, the latch also being movable to a slot-closed position in order to retain the archwire in the archwire slot; and
at least one flange connected to the body and extending in a mesial-distal direction along at least a portion of each of the mesial end section and the distal end section, wherein the at least one flange extends over a portion of the latch in buccolabial relation to the latch when the latch is in the slot-closed position.
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Abstract
An orthodontic bracket includes an archwire slot with mesial and distal end sections that present archwire relief areas. The bracket also includes a latch movable between a slot-open position in order to enable insertion or removal of an archwire, and a slot-closed position in order to retain an archwire in the archwire slot. The bracket includes at least one flange that extends along at least a portion of the mesial and distal archwire end sections and over a portion of the latch in order to provide enhanced rotational control over the underlying tooth without undue deformation of the latch.
25 Citations
43 Claims
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1. An orthodontic bracket comprising:
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a base;
a body extending from the base;
an archwire slot extending along the body, the archwire slot including a mesial end section, a distal end section and an intermediate section between the mesial end section and the distal end section, and wherein each of the mesial end section and the distal end section includes an archwire relief area having a greater occlusal-gingival width than the occlusal-gingival width of the intermediate section;
a latch movable relative to the body, the latch being movable to a slot-open position to enable insertion or removal of an archwire, the latch also being movable to a slot-closed position in order to retain the archwire in the archwire slot; and
at least one flange connected to the body and extending in a mesial-distal direction along at least a portion of each of the mesial end section and the distal end section, wherein the at least one flange extends over a portion of the latch in buccolabial relation to the latch when the latch is in the slot-closed position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An orthodontic bracket comprising:
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a base;
a body extending from the base;
an archwire slot extending along the body, the archwire slot including a mesial end section, a distal end section and an intermediate section between the mesial end section and the distal end section, and wherein each of the mesial end section and the distal end section includes an archwire relief area having a greater labial-lingual depth than the labial-lingual depth of the intermediate section;
a latch movable relative to the body, the latch being movable to a slot-open position to enable insertion or removal of an archwire, the latch also being movable to a slot-closed position in order to retain the archwire in the archwire slot; and
at least one flange connected to the body and extending in a mesial-distal direction along at least a portion of each of the mesial end section and the distal end section, wherein the at least one flange extends over a portion of the latch in buccolabial relation to the latch when the latch is in the slot-closed position. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. An orthodontic bracket comprising:
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a base;
a body extending from the base;
an archwire slot extending along the body in a generally mesial-distal direction;
a pair of elongated cavities extending along at least a portion of the archwire slot and located buccolabially of the archwire slot, one of the cavities extending along an occlusal side of the archwire slot and the other of the cavities extending along a gingival side of the archwire slot; and
a latch received in the cavities for retaining an archwire in the archwire slot. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification