Methods of manufacturing dental appliances using surface...

A - Human Necessities – 61 – C

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A61C 13/00 (2006.01) A61K 6/083 (2006.01)

Patent

CA 2664705

The present invention relates generally to methods for making dental appliances and prostheses, particularly dentures. A polymerizable dental composition is used in the method. The polymerizable dental composition comprises a polymerizable acrylic compound; a polymerization initiation system, capable of being activated by light or heat, for polymerizing the composition; and a solvent capable of at least partially solubilizing wax material. Preferably, a mixture of heptane and methyl acetate solvents is used. The compositions are able to remove wax residue effectively and improve the bonding strength of a denture baseplate to subsequently applied materials.

La présente invention concerne d'une façon générale des procédés servant à fabriquer des appareils dentaires et des prothèses, en particulier des prothèses dentaires. Le procédé utilise une composition dentaire polymérisable. La composition dentaire polymérisable comprend un composé acrylique polymérisable ; un système d'amorce de la polymérisation, pouvant être activé par de la lumière ou de la chaleur, servant à polymériser la composition ; et un solvant pouvant solubiliser au moins partiellement une matière de type cire. De préférence, on utilise un mélange des solvants heptane et acétate de méthyle. Les compositions peuvent enlever efficacement un résidu de cire et améliorer la force d'adhérence d'une plaque-base de prothèse dentaire à des matières appliquées par la suite.

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