After withdrawal of 3.3 mm Magic Drill (trephine bur), the osteotomy (Fig.4 O) plug (red outline) is intentionally left in situ. When a 4x11 mm dummy implant is placed (Fig.5 (green outline), 6), the plug is compressed (Fig.5 (red outline)).
Xin Wei, DDS, PhD, MS 1st edition 05/16/2017, last revision 02/18/2018