After 4.0x7.3 mm drill, use 4x8.5 to 4x11.5 mm ones before use of 4.5x10 mm dummy implant and treatment planning abutment. The implant will be placed free hand (Magicore). In fact 3 mm offset bone trimmer does not touch the septum.
Xin Wei, DDS, PhD, MS 1st edition 10/27/2020, last revision 11/17/2020