Dental implant with improved osseointegration features

Details Dental implant with improved osseointegration features Dental implant with improved osseointegration features

A - Human Necessities

61

C

A61C 8/00 (2006.01)

Patent

CA 2620427

Dental implants made at least in part of a highly porous biomaterial such as porous tantalum for enhancing the osseointegration of the dental implant into surrounding bone. For example, there is provided a dental implant which includes a core formed of with a head portion having an abutment interface and a stem portion extending from the head portion. A porous tantalum sleeve is disposed about the stem portion and occupies a substantial portion of the implant/bone interface of the implant. After implantation of the implant, bone tissue may osseointegrate into the porous tantalum sleeve to anchor the implant in position within the surrounding bone. Other embodiments of implants are provided, each implant including at least a portion thereof formed of porous tantalum for improved osseointegration.

Implants dentaires composés au moins en partie d~un matériau extrêmement poreux comme du tantale poreux pour améliorer l~osséointégration de l~implant dentaire dans l~os environnant. Par exemple, l'invention concerne un implant dentaire comportant un noyau constitué d~une portion de tête ayant une interface d~aboutement et une portion de tige s~étendant à partir de la portion de tête. Une gaine de tantale poreux entoure la portion de tige et occupe une portion substantielle de l~interface implant/os de l~implant. Après mise en place de l~implant, le tissu osseux peut s~intégrer au niveau osseux dans la gaine de tantale poreux pour ancrer l~implant en place à l~intérieur de l~os environnant. D~autres modes de réalisation d~implant sont proposés, chaque implant comprenant au moins une portion constituée de tantale poreux pour une meilleure osséointégration.

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