Dentistry – Orthodontics – Means to transmit or apply force to tooth
Patent
1991-04-18
1992-03-03
O'Connor, Cary E.
Dentistry
Orthodontics
Means to transmit or apply force to tooth
433 20, A61C 300
Patent
active
050927680
ABSTRACT:
A lip bumper formed solely of wire for applying forces to molars and which is U-shaped in form to include an arcuate segment aligned generally with the anterior teeth and substantially straight segments extending along the posterior teeth wherein the arcuate segment includes a plurality of loops defining an increased surface area engaging the lips so as to distribute the forces uniformly and provide greater patient comfort.
REFERENCES:
patent: 1638006 (1927-08-01), Aderer
patent: 3293747 (1966-12-01), Denholtz
patent: 4764112 (1988-08-01), Bergersen
patent: 4797093 (1989-01-01), Bergersen
patent: 4881896 (1989-11-01), Bergersen
patent: 4897035 (1990-01-01), Green
Rocky Mountain Orthodontics Catalog No. 40 (1973), p. 68.
Ormco Corporation brochure (1968).
O'Connor Cary E.
Zickert Lloyd L.
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