Dentistry – Apparatus – Having gauge or guide
Patent
1996-05-31
1998-04-14
O'Connor, Cary E.
Dentistry
Apparatus
Having gauge or guide
433213, A61C 1900, A61C 900
Patent
active
057385181
ABSTRACT:
A model baseplate made of plastic for producing a dental working model has cutouts for receiving fastening elements, each having two recess-like bearing regions which are located opposite one another transversely to the direction of the maxillary arch, extend away from one another from the bottom towards the top, and are in each case bounded laterally by two bearing faces which extend away from one another towards the center of the cutout. The fastening elements, produced in one piece from stainless steel, each have two rigid limbs which are connected so as to be elastically pivotable by means of an intermediate piece, attached respectively at a distance from their ends, and have contact regions with contact faces on the outer sides for contact with the bearing regions. The limbs extend away from one another from the bottom towards the top corresponding to the bearing regions and enclose an angle of about 10.degree.. During production of the working model, they are fixed in their mutual position so as to be non-pivotable by means of molding compound.
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