A paralleling pin is inserted in the osteotomy at the site of #8, while a 2 mm pilot drill at #9 (Fig.5).  Arrowheads: border of the nasopalataine canal.

Taps (3.8x12 mm at #9 and 4.1x12 mm at #8) are inserted after using 2.5 mm reamer (Fig.7). 

Return to Incisive Canal Fig.6,8 Fig.9

Xin Wei, DDS, PhD, MS 1st edition 06/02/2013, last revision 01/19/2018