A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/27
A61C 5/08 (2006.01) A61C 5/10 (2006.01)
Patent
CA 1280016
Abstract The dental sleeve has a cylindrical or cylindro- conical form corresponding in height and circumference to that of the tooth stump or model to be enclosed. In terms of material, it is a composite foil which comprises two, three or more layers and in which the inner layer, and optionally also the outer layer, consists of fine gold or a gold alloy, whilst the other layer or layers consist of platinum, palladium, silver, indium or iridium or of alloys of such metals or alloys of such metals and gold. The cylindrical form is produced by the spot-welding together of the inner gold layer on the two narrow sides of the foil, this requiring a special welding technique. The den- tal sleeve is used as a carrier for a composite ceramic crown.
541313
Fetherstonhaugh & Co.
Koller Werner
LandOfFree
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