Porous implant with non-porous threads

摘要

A dental implant can include a shaft defining a longitudinal axis and having an apical end, a coronal end, and an exterior surface. A portion of the exterior surface can include a porous material. The dental implant can include at least one thread, including a non-porous material, having an interior surface and a bone-engaging surface. The interior surface can engage and wind around the exterior surface of the shaft and the bone-engaging surface can extend outwardly from the exterior surface of the shaft. The shaft can include one or more channels configured to communicate a flowable material, stored within the shaft, to the exterior surface. Each channel can include an opening at the exterior surface to release the flowable material. At least one channel can extend between a cavity of the shaft and the exterior surface and can optionally be angled toward the apical end.

主权项

1. A dental implant, comprising:
a shaft defining a longitudinal axis and having an apical end, a coronal end, and an exterior surface, a portion of the exterior surface including a porous material; a non-porous head portion, including a male or female interface for coupling to an abutment, the head portion attached to the coronal end of the shaft; and at least one thread integrally formed with the head portion and the at least one thread and the head portion comprising a separate element from the shaft prior to attachment of the head portion with the shaft, the at least one thread including a non-porous material and having an interior surface and a bone-engaging surface, the interior surface configured to engage and wind around the exterior surface of the shaft to form a porous-non-porous material interface between the interior surface and the exterior surface of the shaft, the bone-engaging surface extending outwardly from the exterior surface of the shaft, wherein the exterior surface of the shaft is exposed.