Fig.9 shows a parallel pin (P) and the pilot drill (D) at the sites of #9 and 10, respectively (approximately 11 mm subgingival).  When 4.5 mm taps are inserted, they are stable (Fig.10).

Treat Early Implants as Immediate Ones Last Next

Xin Wei, DDS, PhD, MS 1st edition 06/01/2015, last revision 12/08/2018