Dentistry – Orthodontics – By device having means to apply outwardly directed force
Patent
1986-12-15
1988-06-21
Wilson, John J.
Dentistry
Orthodontics
By device having means to apply outwardly directed force
433 6, A61C 300
Patent
active
047522224
ABSTRACT:
An orthopedic modular assembly and an orthodontic appliance employing two similar assemblies are disclosed. Each modular assembly includes a housing component of stainless steel or synthetic plastics material comprising two pairs of parallel passages extending at right angles to one another and providing bores for the slidable mounting of a lingual pad support and a side screen support respectively. The appliance is assembles from two modular assemblies which are maintained in position on the left-and right-hand sides of the appliance by a synthetic plastics former and adjustably support pairs of lingual pads, side screens and other components as required.
REFERENCES:
patent: 4239487 (1980-12-01), Murdock
patent: 4416626 (1983-11-01), Bellavia
patent: 4431411 (1984-02-01), Witzig et al.
patent: 4433956 (1984-02-01), Witzig
patent: 4637796 (1987-01-01), Korn
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