Double screw for a four part activator in jaw orthopedics

Details Double screw for a four part activator in jaw orthopedics Double screw for a four part activator in jaw orthopedics

1983-04-21

1984-07-31

Wilson, John J.

Dentistry

Orthodontics

By device having means to apply outwardly directed force

433 19, A61C 300

Patent

active

044627998

ABSTRACT:
In a double screw where the four screws bearing activator parts are connected by a web, versatility of employment and tongue clearance are improved in that the web is of bipartite construction and its parts are interconnected by a joint whose axis of swing is parallel to the axes of the screws, the adjusted swing position of the web parts being fixable.

REFERENCES:
patent: 473040 (1892-04-01), Wilder
patent: 3454001 (1969-07-01), Stockfisch
patent: 4348179 (1982-09-01), Nardella
"Praktische Kieferorthopadie", Ascher, Urban & Schwarzenberg, 1968, pp. 110-111.

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