Process for producing plaster models for use in dentistry

Details Process for producing plaster models for use in dentistry Process for producing plaster models for use in dentistry

1984-12-28

1986-04-29

Lusignan, Michael B.

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

427 531, 427 541, 433213, A01N 102, B05D 306

Patent

active

045856672

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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