Impression compositions and process for preparing impressions

Details Impression compositions and process for preparing impressions Impression compositions and process for preparing impressions

A - Human Necessities

61

K

400/5328, 18/57,

A61K 6/10 (2006.01) A61C 9/00 (2006.01) C08L 83/04 (2006.01) C08L 83/08 (2006.01)

Patent

CA 1124913

ABSTRACT OF THE DISCLOSURE A novel process for preparing impression spoons and the novel such impression spoons are provided hereis. The process comprises first crosslinking a composition comprising (a) an organopolysiloxane containing at least 30 ml percent of ?polysiloxane units and having at least to alkenyl groups per meloxois, (b) as organopolysiloxane consisting of least three al- hydrogen atoms per molecule, (c) catalyst which produces the addit of si-bonded hydrogen to alkenyl groups and (d) so to be process by weight of a filter, based on the total weight of the com- position, while in contact with the surface of which an impression is to be cs. Thereafter the crosslinked structure is removed from the sur- face. Such compositions from impressions having a higher there-A har velum and these compisitions can be used for taking simitaneous impre- ions of more than one teeth even is the absence of an impression syn and, generally obtain impressions in the absence of stiffening against or lining materials.

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