Dentistry – Apparatus – Work support
Patent
1985-09-03
1987-04-21
Woo, Jay H.
Dentistry
Apparatus
Work support
249 54, 264 17, 425 3, 433 54, A61C 1100
Patent
active
046593110
ABSTRACT:
Apparatus for making dentures comprising a base, an articulating member pivotally mounted to the base and adjustable with respect thereto, magnets on the base adapted to hold a metal plate in a fixed position on the base, and a probe on the articulating member for spacing the articulating member a predetermined distance above the base. Measurements are taken on a patient's mouth and his preexisting dentures are placed on the plate. Plaster of paris or other suitable material is placed on the articulating member in a non-solidified state and retained thereto. The measurements taken are used to adjust the probe and the relation of the dental cast to the plate, and the denture may be raised or lowered with respect to the base, using loose magnets and shims, to provide the desired position and angularity to the denture. When the articulating member is pivoted into a position engaging the denture on the plate, a cast of the upper portion of the denture containing therein an impression of the patient's edentulous ridge is thereby related to the proposed occlusal plane. This mounted cast can then be used to make dentures by techniques well known in the art.
REFERENCES:
patent: 1517922 (1924-12-01), Stanley
patent: 2003727 (1935-06-01), Tofflemire
patent: 2171759 (1939-09-01), Meyer
patent: 2748481 (1956-06-01), Glueck
patent: 3221408 (1965-12-01), Scullin
patent: 3653126 (1972-04-01), Hansen
patent: 4337039 (1982-06-01), Martin et al.
patent: 4501556 (1985-02-01), Zelnigher
Housel James C.
Jacobs Mark C.
Woo Jay H.
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