Method for producing a denture

B - Operations – Transporting – 22 – F

Patent

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Details

B22F 3/105 (2006.01)

Patent

CA 2625788

The invention relates to a method for producing a denture (10) by means of local sintering, said denture (10) being produced in layers by the energy supply of an energy-transporting beam (7) into a layer of powder (6) of a sinterable material. At least one parameter of the sintering process is modified during the production such that the material (6) can be sintered in a spatially differing manner, namely the sintering in an edge region (14) of a layer to be sintered of the denture (10) to be produced is thicker than in the inner region (15) of the layer to be sintered. The invention also relates to a denture (10) consisting of a material which is subjected to local sintering and is sintered in a thicker manner in an edge region (14) of the denture (10) than in an inner region (15) thereof.

L'invention concerne un procédé pour produire une prothèse dentaire (10) au moyen de frittages locaux, ladite prothèse dentaire (10) étant produite en couches grâce à un apport d'énergie d'un faisceau (7) transportant de l'énergie dans une couche de poudre (6) d'un matériau adapté au frittage. Un ou plusieurs paramètres du processus de frittage sont modifiés pendant la production, de sorte que le matériau (6) peut être fritté différemment dans l'espace, notamment une partie bord (14) d'une couche à fritter de la prothèse dentaire (10) peut être frittée de manière plus épaisse que la partie interne (15) de la couche à fritter. L'invention concerne également une prothèse dentaire (10) fabriquée dans un matériau soumis à un frittage localisé, qui est plus fritté sur les bords (14) de la prothèse que dans la partie interne (15).

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