Disclosed herein are biocompatible dental implant systems comprising: an implant body comprising a top collar； and an abutment comprising a first coupling region and a second coupling region； wherein the first coupling region is mechanically coupled to the top collar, and the second coupling region is mechanically coupled to a crown, and wherein at least a portion of a surface of the abutment includes one or more nanotube arrays, the one or more nanotube arrays comprising a plurality of nanotubes separated by a plurality of empty spaces.
