The original version of a Tatum tapered tissue-level implant has 3 portions: thread, rough surface and smooth surface, corresponding to contact with the bone, bone and/or tissue and tissue (Fig.1).  Tilt the lower end up and you can see the implant well (abutment seating area, Fig.2 arrow).

Unipost     Last     Next Xin Wei, DDS, PhD, MS 1st edition 07/11/2020, last revision 07/11/2020