Chemically bonded biomaterial with tailored properties

Details Chemically bonded biomaterial with tailored properties Chemically bonded biomaterial with tailored properties

A - Human Necessities

61

K

A61K 6/06 (2006.01) A61K 6/083 (2006.01) A61L 24/02 (2006.01) C04B 28/06 (2006.01) C04B 28/18 (2006.01) C04B 28/34 (2006.01)

Patent

CA 2504139

A chemically bonded biomaterial element composed of an inorganic cement, exhibiting minimal dimensional changes upon hardening and long-time use, improved mechanical properties and improved translucency. An algorithm to describe the micro-structure is expressed as (I) where .lambda. is the distance between filler particles of mean size d, and VF is the volume content of non-reacted cement and added filler, and where .lambda. = 10 ~m. The invention also relates to a device in connection with the preparation of a chemically bonded biomaterial element according to the invention.

L'invention concerne un élément de biomatériau chimiquement lié composé d'un ciment inorganique présentant des changements dimensionnels minimaux lors de son durcissement, pouvant être utilisé pendant une longue durée et possédant des propriétés mécaniques et une translucidité améliorées. Un algorithme permettant de décrire cette microstructure est exprimé par la formule (I) dans laquelle .lambda. représente la distance entre des particules de charge de granulométrie moyenne d, et V¿f ?représente le contenu volumique du ciment qui n'a pas réagi et qui est ajouté à la charge, .lambda. étant égal à 10µm. L'invention concerne également un dispositif associé à la préparation d'un élément de biomatériau chimiquement lié.

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