After 4.5x11.5 mm drill (10.5 mm offset) and 5.0 mm tap with guide at #14, the depth of the gingiva is measured 3 mm. A 5.5x9(3) mm Magicore cannot enter the green sleeve and is placed free hand (Fig.1). The margin is slight subgingival mesiodistal.
Xin Wei, DDS, PhD, MS 1st edition 12/09/2019, last revision 07/06/2020