For the best trajectory, osteotomy at #8 should be initiated as palatally as possible (Fig.8 *).  When a 4x11 mm 2-piece implant is placed, there is possibility that the apical buccal plate may be perforated (>).  In contrast, a 3x11 mm 1-piece implant is more skinny with less coronal palatal thread exposure (Fig.9).  The latter will be covered with bone graft and collagen dressing.

Return to Trajectory

Xin Wei, DDS, PhD, MS 1st edition 08/13/2014, last revision 09/04/2016