After 4x11.5 mm drill with 10.5 mm offset for bone-level implant at #19, a 4.5x14 mm tissue-level tapered tap is used with high torque.  The same sized implant is placed incompletely with apical space (Fig.1 ^). 

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Xin Wei, DDS, PhD, MS 1st edition 08/08/2019, last revision 04/13/2020