A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
82/32, 403/9
A61K 6/00 (2006.01) A61K 6/093 (2006.01) A61L 9/00 (2006.01) A61L 15/26 (2006.01) A61L 15/42 (2006.01)
Patent
CA 1204250
IMPROVED MATERIAL AND METHOD FOR DENTISTRY ABSTRACT An elastomeric foam composition is useful in dentistry for separating the gingiva from the adjacent teeth, for cleaning, as a pressure pack and wound dressing and as a cushion between dental appliances and the gums of a dental patient. The composition is made from a paste- like system of components which expands at least about 150% to produce a uniformly fine-grained foam composition having a resistance to compression such that a force of at least about 50g per square cm. is required to result in 10% deflection. In a preferred embodiment, the elastomeric foam composition is formed from a system of components which includes silicone fluids, siliceous fillers, crosslinkers, hydrogen sources and a catalyst, all present in amounts which provide a paste-like consistency before foaming and a resistance to compression after foaming such that 80g. per square cm. is required to produce a 10 deflection.
425314
Feinmann Bernhard P.p.
Martignoni Mario
Feinmann Bernhard P.p.
Gowling Lafleur Henderson Llp
Martignoni Mario
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