Patent ID: 7108510
Filing Date: 2006-09-19
Classification: A61C

Abstract:
1. An endosseous dental implant comprising: a body portion having a top surface and at least part of its external surface threaded, and an internal shaft or cavity comprising (a) an interlock chamber comprising two parts, a first part including a plurality of lobes extending distally from a plane at or near the top surface of said implant, said lobes protruding a first maximum radial distance into the internal sidewalls of said implant, and a second part extending distally from the distal end of said first part, said second part having the same number of lobes as said first part with each lobe starting at the base of a corresponding lobe in said first part, and extending a maximum radial distance into the internal sidewalls of said implant no greater than said first maximum radial distance, and having protrusions with a rounded, rectangular or triangular cross-sectional profile, and (b) an internally-threaded portion, contiguous to said interlock chamber, said internal shaft or cavity beginning at an opening in the top surface of said implant and ending inside said body portion.