Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1977-11-18
1980-01-22
Peshock, Robert
Dentistry
Prosthodontics
Holding or positioning denture in mouth
A61C 1300
Patent
active
041842529
ABSTRACT:
An improved overdenture structure and a method for securing it to the residual ridge of a patient. The nerve of at least one healthy tooth is removed and the root canal is filled with dental paste as in a root canal treatment. The crown of the tooth is removed near the gum line and a ferromagnetic bar is embedded in the filled root. Magnetic material is embedded in the overdenture in such position as to be aligned with the ferromagnetic bar at closure points. The dental material surrounding the ferromagnetic bar and the magnetic material embedded in the overdenture are shaped so as to provide contoured mating surfaces with one another. In an alternative embodiment, a root canal treatment is performed on two healthy teeth and bars are embedded in the roots of those teeth. A ferromagnetic rod is connected between the ends of the two bars. Magnetic material is embedded in the overdenture in position to be aligned with the entire length of the ferromagnetic rod. The dental material surrounding the ferromagnetic bars and the magnetic material embedded in the overdenture are shaped so as to provide contoured mating surfaces with one another.
REFERENCES:
patent: 2149048 (1939-02-01), Freedman
patent: 3085334 (1963-04-01), Bischof et al.
patent: 3646676 (1972-03-01), Mitchell
Krol Arthur J.
Pablos Tomas C.
Krol Arthur J.
Peshock Robert
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