Dentistry – Orthodontics – Bracket
Patent
1990-05-04
1992-03-24
Wilson, John J.
Dentistry
Orthodontics
Bracket
A61C 300
Patent
active
050982885
ABSTRACT:
A relatively flexible bonding pad or base for an orthodontic 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 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 which would cause fracturing of the bracket. The method would include the adhesive attachment of a plastic base or pad to a bracket prior to adhesively bonding the bracket to the tooth, and thereafter debonding by applying a force to the pad that would cause buckling and breaking of the bond with the tooth.
REFERENCES:
patent: 3250003 (1966-05-01), Collito
patent: 4186488 (1980-02-01), Wallshein
patent: 4243386 (1981-01-01), Kawaguchi
patent: 4639218 (1987-01-01), Jones et al.
patent: 4902224 (1990-02-01), Collins et al.
patent: 4907965 (1990-03-01), Martin
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.
Smith Jeffrey A.
TP Orthodontics Inc.
Wilson John J.
Zickert Lloyd L.
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