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The initial osteotomy depth is 16 mm (Fig.5); the trajectory is going to be adjusted as shown by arrows. The trajectory improves when a 3.8x15 mm dummy implant is placed (Fig.6). The definitive implant (3.8x16 mm) appears to be placed at an appropriate level (Fig.7). A 4.5x3 mm temporary abutment is inserted for an immediate provisional. As routine, Vera Graft is placed in the buccal gap. Although the provisional. is unstable, there is no bone loss 2 months 20 days postop (Fig.9). Because of the loose provisional (detachment from the underlying temporary abutment), impression is taken earlier (3 months postop, Fig.10,11).
Xin Wei, DDS, PhD, MS 1st edition 03/01/2018, last revision 07/25/2018