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Dental implant for a jaw with reduced bone volume and improved osseointegration features

  • US 10,070,945 B2
  • Filed: 10/30/2014
  • Issued: 09/11/2018
  • Est. Priority Date: 08/30/2005
  • Status: Expired due to Fees
First Claim
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1. A dental implant, comprising:

  • a body having an outer surface and a porous metal portion, which together form an implant-to-bone interface configured to engage bone when the implant is implanted in a jaw of a patient, wherein the porous metal portion extends less than a full height of the body, such that the porous metal portion terminates prior to a proximal end of the body at a first proximal point and terminates at a second distal point, the porous metal portion having an apical to coronal height of about 4 mm to about 6 mm and an outer diameter of about 4 mm to about 6 mm, the apical to coronal height being defined as a distance between the proximal and distal points, and wherein a distal portion of the body includes a thread for initial anchoring and securement of the dental implant to the bone, the outer surface of the body at a coronal section proximal to the first proximal point having a plurality of outwardly extending ribs positioned along the implant-to-bone interface, wherein the porous metal portion forms a majority of the body, and the body has a non-porous core, the porous metal portion forming a sleeve covering the core, and wherein the implant body is solid in cross section along a cross-sectional axis extending through the porous metal sleeve and the core for an entire length of the porous metal sleeve, wherein the porous metal sleeve forms a majority of the implant-to-bone interface of the implant.

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