Dentistry – Orthodontics – Bracket
Patent
1992-05-08
1993-11-23
O'Connor, Cary E.
Dentistry
Orthodontics
Bracket
433 24, A61C 300
Patent
active
052638596
ABSTRACT:
An improved relatively flexible bonding pad or base for an orthodontic ceramic bracket to facilitate debonding the bracket from a tooth and a method of debonding wherein the base or pad is secured to the bracket and the combination bracket and base or pad is bonded to a surface of a tooth. The base or pad is of a relatively flexible material and is formed so that it can be engaged by a pliers for the application of a compressive or buckling force to cause the base or pad to buckle or distort and break the bond to the tooth without the application of any force to the bracket that might cause fracturing of the bracket. The base or pad is provided with one or more holes to enhance the bond between the bracket/pad and the tooth. Following the attachment of the flexible base or pad to a bracket and adhesively bonding the bracket and pad to the tooth, the method of debonding includes application of a compressive edge-to-edge force to the pad that would cause buckling and breaking of the bond with the tooth.
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Journal of clinical Orthodontics, vol. XXIV, No. 2, Feb. 1990, "Debonding Ceramic Brackets", Elliot R. Storm, D.D.S.
American Journal of Orthodontics and Dentofacial Orthopedics, vol. 97, No. 2, Feb., 1990, "Ceramic Bracket Bonding: A Comparison of Bond Strength With Polyacrylic Acid and Phosphoric Acid Enamel Conditioning", A. J. Maskeroni, D.D.S., et al.
O'Connor Cary E.
TP Orthodontics Inc.
Zickert Lloyd L.
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