Method and apparatus for making a dental model

Details Method and apparatus for making a dental model Method and apparatus for making a dental model

1985-06-17

1988-01-26

Wilson, John J.

Dentistry

Apparatus

Having gauge or guide

433 34, 433213, A61C 1900

Patent

active

047214643

ABSTRACT:
This invention is directed to a means and a method for making a dental stone model. The NEGATIVE or impression of the teeth and gum of an individual is made as above described with respect to a yieldable material such as plastic, rubber and the like. After the NEGATIVE has been prepared the dowel and a parting guide are positioned in the NEGATIVE. The NEGATIVE is agitated and one pour of a pourable dental casting stone is made. The pourable dental casting stone surrounds the parting guide and almost all of the dowel pin. In time, the dental stone model or replica of the stub of the tooth is removed from the dental stone model by isolating the replica of the stub of the tooth. The parting guide allows the replica to be readily removed from the dental stone model. The dowel pin is an aligning means for the replica with respect to the dental stone model so that it is possible to position the replica of the stub of the tooth correctly in the dental stone model. The replica can be removed and also positioned again, numerous times, in the dental stone model without harm to the dental stone model.

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patent: 3470614 (1969-10-01), Kelly
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patent: 4363625 (1982-12-01), der Avanessian
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patent: 4398884 (1983-08-01), Huffman
patent: 4443192 (1984-04-01), Blitz
patent: 4449931 (1984-05-01), Saito

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