Dental root canal filling cones

A - Human Necessities – 61 – K

Patent

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A61K 6/00 (2006.01) A61K 6/087 (2006.01)

Patent

CA 2457406

Dental root canal filling cones are prepared from a filler and a thermoplastic polymer, wherein the thermoplastic polymer is formed by polymerization of polymerizable diepoxide monomer and amine monomer. The amine monomers are primary monoamine and/or a disecondary diamine. The filler has about 40 to 90 weight-% of the cones providing a radio-opacity of at least 3mm/mm aluminium.

L'invention concerne des cônes d'obturation de canaux radiculaires fabriqués à partir d'une charge et d'un polymère thermoplastique, ce dernier étant formé par polymérisation de monomère diépoxy et de monomère amine polymérisables. Les monomères amine se présentent sous la forme de monoamine primaire et/ou de diamine di-secondaire. Ladite charge représente environ 40 à 90 % en poids des cônes, et confère à ceux-ci une radio-opacité d'au moins 3 mm/mm d'aluminium.

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