Fig.3 (palatal view): A 6x17 mm tap (T) is placed at 14 mm corresponding to the mesial gingiva. The coronal threads of the tap are exposed palatally (<). It is essential to place bone graft in this same area when an implant is placed.
Xin Wei, DDS, PhD, MS 1st edition 12/06/2014, last revision 12/06/2014