US 7,537,449 B2
	Holding device for a denture or base structure model
Frank Filser, Oberengstringen (Switzerland); Ludwig Gauckler, Schaffhausen (Switzerland); Peter Kocher, Wallisellen (Switzerland); Heinz Luethy, Neuchâtel (Switzerland); Peter Schaerer, Zurich (Switzerland); Heiner Hoerhold, Budingen (Germany); Peter Kreuder, Bad Nauheim (Germany); and Stefan Fecher, Johannesberg (Germany)
Assigned to Eidgenossiche Technische Hochschule Zurich Nichtmetallische Werkstoffe, Zurich (Switzerland)
Filed on Mar. 28, 2006, as Appl. No. 11/391,872.
Application 11/391872 is a continuation of application No. 10/433876, filed on Jun. 03, 2003, granted, now 7,101,180.
Prior Publication US 2006/0194165 A1, Aug. 31, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. A61C 1/14 (2006.01)

U.S. Cl. 433—49  [269/53]

10 Claims

1. A holding device comprising holding an individual preparation model produced by dental technology, the individual preparation model consists of a basic framework model for tooth crowns and bridges and is made of one of modeling wax and modeling plastics material, secured in the holding device, the holding device comprises a frame having a plurality of sides, wherein each of the plurality of sides has at least one hole which together constitute a plurality of boles, a first holding pin located in a first hole and a second holding pin located in a second hole, the first and second holding pins each having an end face having a bonding agent for engaging the individual preparation model, means for locking the holding pins in engagement with the individual preparation model for holding the individual preparation model within the frame, whereas the holding pins are placed on the surface of the individual preparation model without the exertion of pressure, and the frame includes clamping means on external peripheral surface of the frame for fixing the holding device into a measuring machine.