Dentistry – Prosthodontics – Cutting edge shape or arrangement
Patent
1996-03-11
1998-03-31
O'Connor, Cary E.
Dentistry
Prosthodontics
Cutting edge shape or arrangement
A61C 1308
Patent
active
057331251
ABSTRACT:
In the case of a denture made of pre-fabricated teeth, that exhibits molars and pre-molars for each jaw, upper and lower, at least on the upper molars at the lingual position, an incising ridge (24) is provided. The incising ridge is intended, in the occlusion position, to engage the masticatory surface (18) of the antagonist of the lower jaw (14) in each case. The masticatory surface (18) exhibits a sulcus (45) with at least some areas of convex arcuate projection (20, 22) by means of which the antagonist (14) may be centered in tripodized incuspidation on the incising ridge (24).
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patent: 4208794 (1980-06-01), Gerber
patent: 4445863 (1984-05-01), Lang et al.
Ivoclar AG
O'Connor Cary E.
Thompson John C.
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