Dental investment material

Details Dental investment material Dental investment material

1973-02-27

1976-06-29

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106109, 106111, B28B 728

Patent

active

039664791

ABSTRACT:
A dental investment material comprising a modified calcium sulfate which when hydrated possesses unique fracture properties of particular advantage when the material is used as a composition for making molds particularly for use in the lost wax process.

REFERENCES:
patent: 1230297 (1917-06-01), Hite
patent: 2188199 (1940-01-01), Care
patent: 3219112 (1965-11-01), Sauber

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