Dentistry – Prosthodontics – Preliminary casting – model – or trial denture
Patent
1987-09-04
1989-09-12
Wilson, John J.
Dentistry
Prosthodontics
Preliminary casting, model, or trial denture
433 60, 433214, 264 17, A61C 1100
Patent
active
048655465
ABSTRACT:
A method is disclosed for making a resilient cast by using impression material to fill any mold, such as an impression of an enucleated eye socket, an impression of the oral cavity, an impression of the tissue bearing surface of a denture, or any other mold in which it would be advantageous to have a resilient model on which to acomplish work. More specifically, a unique method and apparatus for performing a wide variety of procedures relating to the fabrication, repair and equilibration of dentures is provided. A non-reversible hydrocolloid impression compound, such as alginate, is used to form resilient denture casts supported on a support platform to provide a stable work surface. A similar support platform is incorporated in the base of an articulator, used for the mounting dentures in centric relationship directly from the patient's mouth in a method for correcting of occlusal discrepancies. An improved method for the repair of a cracked or broken denture is provided, wherein a resilient cast is formed of the denture by pouring up impression material into the tissue bearing surface thereof. Also, a novel method for the construction of a provisional denture is disclosed. The impression material is used to form a resilient positive cast of the patient's mouth and teeth.
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patent: 4381947 (1983-05-01), Pellico
patent: 4436511 (1984-03-01), Mitchell
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