Clinically a few threads are exposed buccally.  When a definitive implant with the same dimension is inserted with 45 Ncm, it looks seated too deep (Fig.4,5).  The latter is noted after suturing.  The implant is backed up for a few turns so that the length of the abutment appears a little more reasonable.  Introspectively, a 4 mm cuff should have been used after ridge reduction.  Although there is no bone loss 4 months postop (Fig.6), the abutment margin (Fig.7 arrow) is subgingival (red dashed line: gingival margin).  Diode laser is used for gingivectomy prior to impression.

Narrow Ridge Last Next Xin Wei, DDS, PhD, MS 1st edition 11/09/2017, last revision 10/30/2018