Dentistry – Orthodontics – Including extra-oral force transmitting means
Patent
1996-02-28
1998-09-22
Lewis, Ralph
Dentistry
Orthodontics
Including extra-oral force transmitting means
A61C 300
Patent
active
058105832
ABSTRACT:
A reverse pull, extraoral dental assembly having at least one head support and at least one body support (e.g., disposed outside of the head region of the dental patient). The head support and body support are interconnected by a brace assembly which is displaced outwardly from the frontal region of the dental patient. One and typically two elastics or other appropriate treatment force generating/transfer members extend from the brace assembly to engage one or more of the dental patient's teeth in the upper and/or lower arch to apply a generally mesially directed treatment force thereto, and/or to engage a device which is directly associated with dental patient bone (e.g., an implant or onplant).
REFERENCES:
patent: 2151458 (1939-03-01), Allen
patent: 2334894 (1943-11-01), Atkinson
patent: 2681058 (1954-06-01), Mathues
patent: 3401457 (1968-09-01), Hickham
patent: 4375962 (1983-03-01), Dewoskin
patent: 4951655 (1990-08-01), MacMillan et al.
patent: 4988291 (1991-01-01), Grummons
patent: 5062415 (1991-11-01), Weatherby et al.
Advertisement "Heavy Force Face Mask" (Dr. Henri Petit) Great Lakes Orthodontics Laboratories, Inc., Buffalo, New York 14216.
Lewis Ralph
RMO, Inc.
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