In fact after extraction (Fig.8), the initial osteotomy should start obliquely and as coronal and lingual as possible (Fig.9 red line). Following the initial penetration, the osteotomy should be straightened (Fig.10) so that the implant could be placed lingually (Fig11 green) to reduce buccal thread exposure.

3.5 mm Implant    Last    Next

Xin Wei, DDS, PhD, MS 1st edition 09/13/2018, last revision 02/16/2020