Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1989-01-23
1991-03-26
Stone, Cary E.
Dentistry
Method or material for testing, treating, restoring, or...
Crown
433219, 433209, A61C 508
Patent
active
050024892
ABSTRACT:
A dental prosthesis comprises an element fixed in a mouth, a removable dental porsthesis component placed on the element, and a removable connection of the dental prosthesis component with the element and including vertical groove formed in an adjacent surface in each of the element and the component, the grooves being located immediately opposite to one another and open into one another, the connection further including a resilient friction element engaging in the grooves.
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German Patent Office Search Report dated Jun. 29, 1988 concerning the corresponding West German Patent Application Ser. No. P 38 01 994.9 (3 pages).
Themann, Jan Dirk: "Gute Ideen helfen sparen eine Madenschraube sorgt fur Friktion", Dental-Labor, XXXV, Heft 2/87, 201 (2 pages).
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"Zwei neue Hafner-Hilfsteile fur die Prazisionstechnik", Dental Echo, 1968, p. 185.
VDI-Richtlinien, VDI 3402 Blatt 1, Mar. 1976, 4 pages.
Fischer Artur
Rubeling Gunter
Weber H.
fischerwerke Artur Fischer GmbH & Co. KG
Stone Cary E.
Striker Michael J.
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