Process for producing plaster models for use in dentistry
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United States of America Patent
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Apr 29, 1986
Grant Date -
N/A
app pub date -
Dec 28, 1984
filing date -
Dec 30, 1983
priority date (Note) -
Expired
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Abstract
The physical properties, especially resistance to abrasion, to bending and to pressure, of plaster models for use in dentistry are improved in that a plaster model obtained in a manner known in the art is impregnated with (a) at least one photopolymerizable ester of acrylic and/or methacrylic acid, (b) at least one photopolymerization initiator, and (c) optionally at least one photopolymerization activator--(a), (b) and (c) being present in liquid or dissolved state--and the impregnated plaster model is irradiated with light suitable to initiate photopolymerization by the photoinitiator.
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