Method and instrument for releasing a bracket

Details Method and instrument for releasing a bracket Method and instrument for releasing a bracket

1990-05-09

1991-08-20

Wilson, John J.

Dentistry

Orthodontics

Tool

433 27, 433 32, A61C 300, A61C 100, A61C 1900

Patent

active

050409751

ABSTRACT:
An improved method is proposed for releasing brackets from bonded joints whereby also ceramic brackets can be removed. Herein, the layer of bonding agent is subjected to pulse-shaped heat input by transfer of heat from an instrument to the bracket, with a safety device allowing only a suitable amount of heat for the respective type of bracket to be transferred.

REFERENCES:
patent: 4155164 (1979-05-01), White
patent: 4455138 (1984-06-01), Sheridan
patent: 4824366 (1989-04-01), Hohmann et al.
patent: 4907965 (1990-03-01), Martin
John J. Sheridan, D.D.S., M.S.D. et al., "Electrothermal debracketing, Part I, An in vitro study", Am. J. Orthod., Jan. 1986, pp. 21-27, (vol. 89).
John J. Sheridan, D.D.S., M.S.D. et al., "Electrothermal debracketing, Part II, An in vivo study", Am. J. Orthod., 1986, pp. 141-145.
Klaus-Dieter Gerkhardt et al., "Elektrothermische Brackettentfernung durch Erweichung des Klebers mittels Hochstromimpuls"; Prakt. Kieferorthop. 2, pp. 145-148 (1988).
Pamphlet of Scheu-Dental Company published in Oct. 1988.

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