Method, system and mold assembly for use in preparing a dental prosthesis
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United States of America Patent
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Jun 29, 1993
Issued Date -
N/A
app pub date -
May 21, 1990
filing date -
Apr 10, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for use in preparing a dental prosthesis comprises the step of receiving an electrical signal encoding geometric specifications of a substructure of the prosthesis, the specifications including dimensions and shape of a tooth preparation at a dental site at which the prosthesis is to be affixed and the configuration of the substructure. In a subsequent step performed in response to the electrical signal, a computer is operated to automatically select a first mold component having a surface corresponding in dimensions to the tooth preparation and to automatically select a second mold component to produce, in cooperation with the first mold component, a mold cavity having dimensions and configuration corresponding to dimensions and configuration of the substructure. The first mold component and the second mold component are placed in predetermined relative positions to form the mold cavity and the mold cavity is filled with a quantity of a fluidic solidifiable dental material, i.e., a precious metal, semi-precious metal, alloy or other usable dental material.
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