Following reuse of the guide and 4.5x7.3 mm drill, the same sized implant is placed deeper easily (Fig.2). There is no crestal bone loss 4 months postop (Fig.5), no pressure against the crest as the osteotomy is the same size of the implant. When the torque is low, just do not load.
Xin Wei, DDS, PhD, MS 1st edition 12/19/2019, last revision 05/11/2020