Dentistry – Orthodontics – Bracket
Patent
1991-03-08
1992-03-10
Wilson, John J.
Dentistry
Orthodontics
Bracket
433 10, A61C 300
Patent
active
050946145
ABSTRACT:
A bracket having a closure slot extending through both sides of the bracket body across an archwire slot for a closure member to secure an archwire. The bracket body is compact, with a continuous profile, and the closure member ends are contained within the closure slot, so that a collar for an auxiliary attachment can be mounted on the bracket. The bracket body has an internal shoulder extending across one side of the closure slot. The closure member is a lengthwise-folded flat spring having a free end positioned near one end and biased to engage the shoulder when closed. A locking tab cooperates with the free end to lock the closure member closed. Depressing the free end allows it to pass through an escape notch in the internal shoulder to slide the closure member to an open position. Intermediate ears positioned near the opposite end engage the shoulder when open. The free end springs outward to hold the member open. The bracket body has a recessed base to space the archwire slot close to a bonding pad.
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Stoller, A. E., The Universal Appliance, 1971, pp. 1-26.
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