A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/02 (2006.01) A61K 6/00 (2006.01)
Patent
CA 2188014
A new conservative method of conditioning enamel, dentin and other similar substrates, for obtaining strong and durable adhesive bonding of polymeric materials is disclosed. The method of conditioning addresses both the inorganic and organic phases of the tooth and is based on the concept of formation of a unitary polymeric network comprising the tooth structure and the restorative material, including an intermediary smear layer chemically modified and transformed into a stable, uniform and porous layer by rubbing the tooth surface with an aqueous solution of mild polyfunctional organic acids (pH = 1.2 - 3.5).
Nouvelle méthode de traitement de l'émail, de la dentine et autres substrats similaires permettant d'obtenir des liaisons adhésives fortes et durables avec des matériaux polymères. Ladite méthode qui concerne à la fois les phases non organiques et organiques de la dent se base sur le concept de la formation d'un réseau unitaire de polymères incluant la structure de la dent et le matériau de restauration y compris une couche intermédiaire de liaison modifiée chimiquement et qu'on transforme en une couche chimiquement transformée stable, uniforme et poreuse en décapant la surface de la dent à l'aide d'une solution aqueuse d'acides organiques polyfonctionnels doux d'un pH compris entre 1,2 et 3,5.
Georgescu Maria
Georgescu Maria
Ridout & Maybee Llp
LandOfFree
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