Method for bonding amalgam to dental surfaces

A - Human Necessities – 61 – K

Patent

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A61K 6/00 (2006.01)

Patent

CA 2191964

A method for adhering amalgam to a dental surface comprising the steps of a) etching the dental surface with acid, b) applying a treatment composition comprising an aromatic sulfinate salt to the etched dental surface, c) applying a priming solution containing a film-former to the treated dental surface, d) applying a chemically curable dental adhesive to the primed dental surface, and e) applying amalgam to the adhesive-coated dental surface. The chemically curable adhesive comprises an oxidizing agent and a reducing agent. The oxidizing agent is present in an amount sufficient to interact with said aromatic sulfinate salt to achieve higher adhesion to the dental surface than a like method not comprising an aromatic sulfinate salt in the treatment composition.

L'invention concerne un procédé de collage d'un amalgame à la surface d'une dent. Le procédé consiste a) à attaquer la surface de la dent à l'acide, b) à appliquer une composition de traitement comprenant un sulfinate aromatique à la surface attaquée de la dent, c) à appliquer une première solution contenant un agent filmogène à la surface de la dent traitée, d) à appliquer un ciment dentaire durcissable chimiquement à la surface de la dent préparée, et e) à appliquer un amalgame à la surface de la dent recouverte de ciment dentaire. Le ciment durcissable chimiquement comprend un agent oxydant ainsi qu'un agent réducteur. L'agent oxydant est présent dans une quantité suffisante pour agir avec le sulfinate aromatique de façon à permettre une meilleure adhérence à la surface dentaire que celle obtenue avec un procédé similaire selon lequel on utilise une composition de traitement qui ne contient pas de sulfinate aromatique.

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