Prosthetic dental device

A - Human Necessities – 61 – C

Patent

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Details

A61C 8/00 (2006.01) A61L 27/44 (2006.01) A61L 27/46 (2006.01)

Patent

CA 2609390

A prosthetic dental device comprised of a composite material including a polymer material and a ceramic material mixed within the polymer material. In one embodiment, the ceramic fillers are substantially, homogeneously dispersed within the polymer material. In one embodiment, the ceramic material is bonded to the polymer material through a coupling agent. In addition, the prosthetic dental device can be comprised of a different composite material. This composite material includes a ceramic matrix having pores and an organic material infiltrated into the pores. To construct the ceramic matrix, ceramic particles, a binder material, and a porogen material are mixed to create a composite material which is then molded and heated to create a substantially rigid ceramic structure. At least some of the binder material and the porogen material are evaporated during the heating step to create pores in the matrix which are filled with the organic material.

L'invention concerne un dispositif de prothèse dentaire comprenant une matière composite composée d'une matière polymère et d'une matière de céramique mélangée avec ladite matière polymère. Dans un mode de réalisation, les charges de céramique sont liées à la matière polymère via un agent de couplage. Le dispositif de prothèse dentaire peut, en outre, comprendre une matière composite différente composée d'une matrice de céramique dotée de pores et de matière organique infiltrée dans lesdits pores. Pour construire la matrice de céramique, des particules de céramiques, un matériau de liant et une matière porogène sont mélangés afin de créer une matière composite qui est ensuite moulée et chauffée afin de créer une structure de céramique sensiblement rigide. Au moins une partie du matériau de liant et de la matière porogène s'évapore pendant l'étape de chauffage afin de créer des pores remplis de matière organique dans la matrice.

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