Dentistry – Orthodontics – Bracket
Patent
1995-03-15
1997-12-02
O'Connor, Cary E.
Dentistry
Orthodontics
Bracket
206369, A61C 714
Patent
active
056928963
ABSTRACT:
Orthodontic brackets made of a light-transmissive material such as plastic or ceramic have a removable, water-based colorant to facilitate identification of the bracket and alignment of the bracket on the patient's tooth. The colorant is received in a ligature channel of the bracket and is visible through adjacent tiewings of the bracket. The colorant is protected by the overlying tiewings from inadvertent damage or removal as might otherwise occur during initial handling and placement of the bracket.
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Caruso Joseph M.
Kelly John S.
Pospisil Jirina V.
Christoff James D.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Co.
O'Connor Cary E.
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