A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/097 (2006.01) A61C 13/263 (2006.01) A61K 6/083 (2006.01) C08K 3/22 (2006.01) C08K 5/053 (2006.01) C08K 5/092 (2006.01) C08K 5/1575 (2006.01) C08K 13/02 (2006.01)
Patent
CA 2396226
A temporary dental cement composition temporarily affixes a dental prosthesis or appliance to a tooth or other dental substrate. The dental cement includes a mixture of: (i) an ion leaching agent; (ii) polycarboxylic acid; (iii) sugar; and (iv) water. The sugar is added in a sufficient amount that the ion leaching agent and polycarboxylic acid form a hardenable adhesive having an adhesive matrix which forms a relatively weak, temporary bond, as opposed to a permanent bond. The temporary cement composition is compatible with subsequent deposition of typical bonding materials, such as resin luting agents as well as non-resin permanent cements.
L'invention concerne une composition de ciment dentaire provisoire servant à fixer provisoirement une prothèse dentaire ou un article d'orthodontie sur une dent ou un autre substrat dentaire. Le ciment dentaire comprend un mélange renfermant (i) un agent de dissolution d'ions, (ii) un acide polycarboxylique, (iii) du sucre, et (iv) de l'eau. Le sucre est ajouté en quantité suffisante pour que l'agent de dissolution d'ions et l'acide polycarboxylique forment un adhésif durcissable possédant une matrice adhésive formant une liaison provisoire, relativement faible, par rapport à une liaison permanente. La composition de ciment dentaire provisoire est compatible avec le dépôt ultérieur de composants de liaison classiques, tels que des matériaux de scellement ainsi que des ciments permanents non à base de résine.
Fischer Dan E.
Jensen Steven D.
Pameijer Cornelis H.
Cassan Maclean
Ultradent Products Inc.
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