Patent ID: 9149345
Filing Date: 2015-10-06
Classification: A61C,A61F

Abstract:
1. A dental implant for replacement of a single natural tooth and insertion into a bore at the extraction site of the single natural tooth, the dental implant comprising: a unitary body defining a coronal-apical axis and having a coronal main shaft portion, a plurality of distinct roots extending apically from the main shaft portion to a distal end, and the main shaft portion including a non-circular closed outer periphery to engage bone, the main shaft portion being shaped and sized to substantially conform to a circular bore in a jaw upon insertion into the bore, wherein the roots are integrally formed with and extending apically from the main shaft portion, wherein the closed outer periphery has a plurality of contiguously convexly curved portions interconnected to surround the coronal apical axis with each curved portion coronally aligning with a different one of the plurality of roots, and wherein each pair of adjacent curved portions of the plurality of curved portions intersects to form an elongated indent or groove that extends in a coronal-apical direction on the main portion; and a porous tantalum portion disposed at least on the roots at the unitary body for engaging bone.