Process for the treatment of dental impressions
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United States of America Patent
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Aug 11, 1992
Grant Date -
N/A
app pub date -
Sep 21, 1989
filing date -
Sep 23, 1988
priority date (Note) -
Expired
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Abstract
The invention relates to a process for the treatment of dental impressions of conventional molding material, in which the surface of the impressions is treated prior to filling with plaster with an aqueous solution which contains 0.01 to 10 % by weight of a fluorine compound. The detrimental effect which the surface-active substances adhering to the dental impressions have on the surface finish of the plaster models which are produced using the dental impressions is thus eliminated.
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