Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1990-08-31
1992-11-10
Wilson, John J.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
A61C 13235
Patent
active
051619725
ABSTRACT:
In a method and device for fixing a denture to the root cap, which is embedded in the tooth root, non-plated platinum magnet containing from 33-47% of Pt is attached to the inner or lower surface of the denture so as to generate the magnetic retention between the magnet and the root cap.
REFERENCES:
patent: 4530663 (1985-07-01), Portnoy
patent: 4814027 (1989-03-01), Masumoto et al.
patent: 4824371 (1989-04-01), Deutsch et al.
patent: 4911640 (1990-03-01), Schwab
"Good News from Your Dentist", Mechanics Illustrated, Mar. 1968, pp. 69-70.
Press Release, "Trial Production and Sales of Platinum Magnet" (Dec. 11, 1989).
Weekly Toyo Keizai (Feb. 3, 1990).
"Mass Production of Platinum Magnets", New Technology Japan, vol. 17, No. 12 (Mar. 1990).
"Nippon offers new magnet", Nippon Mining Catalogue, (Jan. 1990).
Fukamachi Kazuhiko
Matsui Yasuhiro
Nippon Mining Co., Ltd.
Wilson John J.
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