1976-11-24
1979-02-20
Peshock, Robert
A61C 1300
Patent
active
041399439
ABSTRACT:
This disclosure is directed to a method of making a dental die and an improved dental dowel pin for facilitating the making of such dental die. The dowel pin comprises a double pronged pin interconnected by a bridge and having an extended portion for locating the pin in a mold cavity prior to the pouring of the die forming material into the mold cavity. The method for making a dental die comprises the step of forming an impression of a patient's teeth to define a mold cavity. The double pronged dowel pin is then inserted into the material of the mold so that the double prongs project upwardly from the mold. The die forming material is poured into the mold cavity in two parts. The first part covering the bridge of the dowel pin to define the dental die, and the second part of the molding material poured on top of the first part to form the mold base when the dental die portion has set, with a lubricant barrier interposed between the two parts. The completed molded part is then removed from the mold cavity whereupon the specific dental die can be cut and separated from the mold base as may be required to form or model a given tooth structure.
REFERENCES:
patent: 3521354 (1970-07-01), Stern et al.
patent: 3931677 (1976-01-01), Tinder
patent: 3952415 (1976-04-01), Samuel
Fattibene Arthur T.
Peshock Robert
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