Method of forming a dental coping in a single heat treatment...

A - Human Necessities – 61 – C

Patent

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Details

A61C 13/01 (2006.01) A61C 5/10 (2006.01) A61C 13/03 (2006.01) A61C 13/20 (2006.01) A61K 6/04 (2006.01) B22F 3/26 (2006.01) A61C 13/00 (2006.01) A61C 13/083 (2006.01) A61C 13/09 (2006.01)

Patent

CA 2381831

A dental material and method for forming a dental coping wherein the material has a plurality of layers with at least one layer composed of a base material composition containing high fusing temperature metal particles and with at least another layer being composed of a filler material composition of low fusing temperature metal particles arranged in an alternating sequence such that upon firing of the laminated structure in a furnace at a temperature at least equal to the melting temperature of the low fusing temperature metal particles but below the melting temperature of the high fusing temperature metal particles diffusion occurs from the filler layers into the base layers to bring the base layers together to form a solid structure.

Un produit dentaire et une méthode de formation de couronne dentaire où le matériau comprend plusieurs couches et où une des couches, au moins, est composée d'une couche de matériau de base contenant des particules métalliques à température de fusion élevée et une autre couche, au moins, composée d'un matériau d'apport contenant des particules métalliques à température de fusion basse, et disposées en couches alternées de façon telle que lors de la cuisson de la structure laminée dans un four à une température égale à au moins la température de fusion des particules métalliques à température de fusion basse, mais inférieure à celle des particules à haute température de fusion, la diffusion des particules métallique se produit des couches du matériau d'apport vers les couches de matériau de base, afin de joindre les couches de base pour en faire une structure monobloc.

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