Porous ceramic dental filling insert

Details Porous ceramic dental filling insert Porous ceramic dental filling insert

1978-02-14

1980-11-18

Mancene, Louis G.

Dentistry

Method or material for testing, treating, restoring, or...

By filling, bonding or cementing

A61K 501

Patent

active

042343100

ABSTRACT:
The insert is held in place by surrounding plastic filling material and improves resistance to abrasion. Bonding to the filling material is improved by impregnation of the insert with a wetting agent or filling material. The insert may be made by extruding a porcelain paste into the desired crossection segments. Porosity of the fired material is obtained by mixing a volatile binder, such as polyethelene glycol, with the ceramic powder. Acid treatment is also disclosed for providing the desired porosity.

REFERENCES:
patent: 139012 (1873-05-01), Mack
patent: 764871 (1904-07-01), Sparks
patent: 1063376 (1913-06-01), Nies
patent: 2538486 (1951-01-01), Tofflemire
patent: 2644232 (1953-07-01), Roubian
patent: 3314420 (1967-04-01), Smith et al.
patent: 4001939 (1977-01-01), Gross
patent: 4097935 (1978-07-01), Jurcho
"Porous Implant Systems for Prosthesis Stabilization", Clinical Orthopaedics, No. 89, 12/1972, Homsy et al., pp. 220-224.

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