After adjustment, osteotomies look parallel (Fig.4: D: 3.5x20 mm drill; T: 4.5x20 mm tap). 

The trajectory of the implants remains acceptable (Fig.5: 4.5x20 mm with insertion torque »60 Ncm).  The distal (>) and mesial portions of #5 socket are filled with bone graft, as compared to Fig.4.

Parallel Pins

Xin Wei, DDS, PhD, MS 1st edition 11/16/2015, last revision 11/17/2015